18999600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 61996032

約数和(自身を除く): 42996432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 71, 75, 80, 100, 120, 142, 150, 200, 213, 223, 240, 284, 300, 355, 400, 426, 446, 568, 600, 669, 710, 852, 892, 1065, 1115, 1136, 1200, 1338, 1420, 1704, 1775, 1784, 2130, 2230, 2676, 2840, 3345, 3408, 3550, 3568, 4260, 4460, 5325, 5352, 5575, 5680, 6690, 7100, 8520, 8920, 10650, 10704, 11150, 13380, 14200, 15833, 16725, 17040, 17840, 21300, 22300, 26760, 28400, 31666, 33450, 42600, 44600, 47499, 53520, 63332, 66900, 79165, 85200, 89200, 94998, 126664, 133800, 158330, 189996, 237495, 253328, 267600, 316660, 379992, 395825, 474990, 633320, 759984, 791650, 949980, 1187475, 1266640, 1583300, 1899960, 2374950, 3166600, 3799920, 4749900, 6333200, 9499800, 18999600]

約数ペア:

[(1, 18999600), (2, 9499800), (3, 6333200), (4, 4749900), (5, 3799920), (6, 3166600), (8, 2374950), (10, 1899960), (12, 1583300), (15, 1266640), (16, 1187475), (20, 949980), (24, 791650), (25, 759984), (30, 633320), (40, 474990), (48, 395825), (50, 379992), (60, 316660), (71, 267600), (75, 253328), (80, 237495), (100, 189996), (120, 158330), (142, 133800), (150, 126664), (200, 94998), (213, 89200), (223, 85200), (240, 79165), (284, 66900), (300, 63332), (355, 53520), (400, 47499), (426, 44600), (446, 42600), (568, 33450), (600, 31666), (669, 28400), (710, 26760), (852, 22300), (892, 21300), (1065, 17840), (1115, 17040), (1136, 16725), (1200, 15833), (1338, 14200), (1420, 13380), (1704, 11150), (1775, 10704), (1784, 10650), (2130, 8920), (2230, 8520), (2676, 7100), (2840, 6690), (3345, 5680), (3408, 5575), (3550, 5352), (3568, 5325), (4260, 4460)]