18865440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:432

約数の個数: 192

約数和(自身を含む): 72213120

約数和(自身を除く): 53347680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 330, 352, 360, 396, 397, 432, 440, 480, 495, 528, 540, 594, 660, 720, 792, 794, 864, 880, 990, 1056, 1080, 1188, 1191, 1320, 1440, 1485, 1584, 1588, 1760, 1980, 1985, 2160, 2376, 2382, 2640, 2970, 3168, 3176, 3573, 3960, 3970, 4320, 4367, 4752, 4764, 5280, 5940, 5955, 6352, 7146, 7920, 7940, 8734, 9504, 9528, 10719, 11880, 11910, 12704, 13101, 14292, 15840, 15880, 17468, 17865, 19056, 21438, 21835, 23760, 23820, 26202, 28584, 31760, 34936, 35730, 38112, 39303, 42876, 43670, 47520, 47640, 52404, 53595, 57168, 63520, 65505, 69872, 71460, 78606, 85752, 87340, 95280, 104808, 107190, 114336, 117909, 131010, 139744, 142920, 157212, 171504, 174680, 190560, 196515, 209616, 214380, 235818, 262020, 285840, 314424, 343008, 349360, 393030, 419232, 428760, 471636, 524040, 571680, 589545, 628848, 698720, 786060, 857520, 943272, 1048080, 1179090, 1257696, 1572120, 1715040, 1886544, 2096160, 2358180, 3144240, 3773088, 4716360, 6288480, 9432720, 18865440]

約数ペア:

[(1, 18865440), (2, 9432720), (3, 6288480), (4, 4716360), (5, 3773088), (6, 3144240), (8, 2358180), (9, 2096160), (10, 1886544), (11, 1715040), (12, 1572120), (15, 1257696), (16, 1179090), (18, 1048080), (20, 943272), (22, 857520), (24, 786060), (27, 698720), (30, 628848), (32, 589545), (33, 571680), (36, 524040), (40, 471636), (44, 428760), (45, 419232), (48, 393030), (54, 349360), (55, 343008), (60, 314424), (66, 285840), (72, 262020), (80, 235818), (88, 214380), (90, 209616), (96, 196515), (99, 190560), (108, 174680), (110, 171504), (120, 157212), (132, 142920), (135, 139744), (144, 131010), (160, 117909), (165, 114336), (176, 107190), (180, 104808), (198, 95280), (216, 87340), (220, 85752), (240, 78606), (264, 71460), (270, 69872), (288, 65505), (297, 63520), (330, 57168), (352, 53595), (360, 52404), (396, 47640), (397, 47520), (432, 43670), (440, 42876), (480, 39303), (495, 38112), (528, 35730), (540, 34936), (594, 31760), (660, 28584), (720, 26202), (792, 23820), (794, 23760), (864, 21835), (880, 21438), (990, 19056), (1056, 17865), (1080, 17468), (1188, 15880), (1191, 15840), (1320, 14292), (1440, 13101), (1485, 12704), (1584, 11910), (1588, 11880), (1760, 10719), (1980, 9528), (1985, 9504), (2160, 8734), (2376, 7940), (2382, 7920), (2640, 7146), (2970, 6352), (3168, 5955), (3176, 5940), (3573, 5280), (3960, 4764), (3970, 4752), (4320, 4367)]