18992160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 216

約数和(自身を含む): 71891820

約数和(自身を除く): 52899660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 109, 110, 120, 121, 132, 144, 160, 165, 176, 180, 198, 218, 220, 240, 242, 264, 288, 327, 330, 352, 360, 363, 396, 436, 440, 480, 484, 495, 528, 545, 605, 654, 660, 720, 726, 792, 872, 880, 968, 981, 990, 1056, 1089, 1090, 1199, 1210, 1308, 1320, 1440, 1452, 1584, 1635, 1744, 1760, 1815, 1936, 1962, 1980, 2178, 2180, 2398, 2420, 2616, 2640, 2904, 3168, 3270, 3488, 3597, 3630, 3872, 3924, 3960, 4356, 4360, 4796, 4840, 4905, 5232, 5280, 5445, 5808, 5995, 6540, 7194, 7260, 7848, 7920, 8712, 8720, 9592, 9680, 9810, 10464, 10791, 10890, 11616, 11990, 13080, 13189, 14388, 14520, 15696, 15840, 17424, 17440, 17985, 19184, 19360, 19620, 21582, 21780, 23980, 26160, 26378, 28776, 29040, 31392, 34848, 35970, 38368, 39240, 39567, 43164, 43560, 47960, 52320, 52756, 53955, 57552, 58080, 65945, 71940, 78480, 79134, 86328, 87120, 95920, 105512, 107910, 115104, 118701, 131890, 143880, 156960, 158268, 172656, 174240, 191840, 197835, 211024, 215820, 237402, 263780, 287760, 316536, 345312, 395670, 422048, 431640, 474804, 527560, 575520, 593505, 633072, 791340, 863280, 949608, 1055120, 1187010, 1266144, 1582680, 1726560, 1899216, 2110240, 2374020, 3165360, 3798432, 4748040, 6330720, 9496080, 18992160]

約数ペア:

[(1, 18992160), (2, 9496080), (3, 6330720), (4, 4748040), (5, 3798432), (6, 3165360), (8, 2374020), (9, 2110240), (10, 1899216), (11, 1726560), (12, 1582680), (15, 1266144), (16, 1187010), (18, 1055120), (20, 949608), (22, 863280), (24, 791340), (30, 633072), (32, 593505), (33, 575520), (36, 527560), (40, 474804), (44, 431640), (45, 422048), (48, 395670), (55, 345312), (60, 316536), (66, 287760), (72, 263780), (80, 237402), (88, 215820), (90, 211024), (96, 197835), (99, 191840), (109, 174240), (110, 172656), (120, 158268), (121, 156960), (132, 143880), (144, 131890), (160, 118701), (165, 115104), (176, 107910), (180, 105512), (198, 95920), (218, 87120), (220, 86328), (240, 79134), (242, 78480), (264, 71940), (288, 65945), (327, 58080), (330, 57552), (352, 53955), (360, 52756), (363, 52320), (396, 47960), (436, 43560), (440, 43164), (480, 39567), (484, 39240), (495, 38368), (528, 35970), (545, 34848), (605, 31392), (654, 29040), (660, 28776), (720, 26378), (726, 26160), (792, 23980), (872, 21780), (880, 21582), (968, 19620), (981, 19360), (990, 19184), (1056, 17985), (1089, 17440), (1090, 17424), (1199, 15840), (1210, 15696), (1308, 14520), (1320, 14388), (1440, 13189), (1452, 13080), (1584, 11990), (1635, 11616), (1744, 10890), (1760, 10791), (1815, 10464), (1936, 9810), (1962, 9680), (1980, 9592), (2178, 8720), (2180, 8712), (2398, 7920), (2420, 7848), (2616, 7260), (2640, 7194), (2904, 6540), (3168, 5995), (3270, 5808), (3488, 5445), (3597, 5280), (3630, 5232), (3872, 4905), (3924, 4840), (3960, 4796), (4356, 4360)]