19868640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 192

約数和(自身を含む): 70543872

約数和(自身を除く): 50675232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 53, 55, 60, 66, 71, 80, 88, 96, 106, 110, 120, 132, 142, 159, 160, 165, 176, 212, 213, 220, 240, 264, 265, 284, 318, 330, 352, 355, 424, 426, 440, 480, 528, 530, 568, 583, 636, 660, 710, 781, 795, 848, 852, 880, 1056, 1060, 1065, 1136, 1166, 1272, 1320, 1420, 1562, 1590, 1696, 1704, 1749, 1760, 2120, 2130, 2272, 2332, 2343, 2544, 2640, 2840, 2915, 3124, 3180, 3408, 3498, 3763, 3905, 4240, 4260, 4664, 4686, 5088, 5280, 5680, 5830, 6248, 6360, 6816, 6996, 7526, 7810, 8480, 8520, 8745, 9328, 9372, 11289, 11360, 11660, 11715, 12496, 12720, 13992, 15052, 15620, 17040, 17490, 18656, 18744, 18815, 22578, 23320, 23430, 24992, 25440, 27984, 30104, 31240, 34080, 34980, 37488, 37630, 41393, 45156, 46640, 46860, 55968, 56445, 60208, 62480, 69960, 74976, 75260, 82786, 90312, 93280, 93720, 112890, 120416, 124179, 124960, 139920, 150520, 165572, 180624, 187440, 206965, 225780, 248358, 279840, 301040, 331144, 361248, 374880, 413930, 451560, 496716, 602080, 620895, 662288, 827860, 903120, 993432, 1241790, 1324576, 1655720, 1806240, 1986864, 2483580, 3311440, 3973728, 4967160, 6622880, 9934320, 19868640]

約数ペア:

[(1, 19868640), (2, 9934320), (3, 6622880), (4, 4967160), (5, 3973728), (6, 3311440), (8, 2483580), (10, 1986864), (11, 1806240), (12, 1655720), (15, 1324576), (16, 1241790), (20, 993432), (22, 903120), (24, 827860), (30, 662288), (32, 620895), (33, 602080), (40, 496716), (44, 451560), (48, 413930), (53, 374880), (55, 361248), (60, 331144), (66, 301040), (71, 279840), (80, 248358), (88, 225780), (96, 206965), (106, 187440), (110, 180624), (120, 165572), (132, 150520), (142, 139920), (159, 124960), (160, 124179), (165, 120416), (176, 112890), (212, 93720), (213, 93280), (220, 90312), (240, 82786), (264, 75260), (265, 74976), (284, 69960), (318, 62480), (330, 60208), (352, 56445), (355, 55968), (424, 46860), (426, 46640), (440, 45156), (480, 41393), (528, 37630), (530, 37488), (568, 34980), (583, 34080), (636, 31240), (660, 30104), (710, 27984), (781, 25440), (795, 24992), (848, 23430), (852, 23320), (880, 22578), (1056, 18815), (1060, 18744), (1065, 18656), (1136, 17490), (1166, 17040), (1272, 15620), (1320, 15052), (1420, 13992), (1562, 12720), (1590, 12496), (1696, 11715), (1704, 11660), (1749, 11360), (1760, 11289), (2120, 9372), (2130, 9328), (2272, 8745), (2332, 8520), (2343, 8480), (2544, 7810), (2640, 7526), (2840, 6996), (2915, 6816), (3124, 6360), (3180, 6248), (3408, 5830), (3498, 5680), (3763, 5280), (3905, 5088), (4240, 4686), (4260, 4664)]