18901920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:814

約数の個数: 96

約数和(自身を含む): 60746112

約数和(自身を除く): 41844192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 80, 96, 106, 120, 159, 160, 212, 240, 265, 318, 424, 480, 530, 636, 743, 795, 848, 1060, 1272, 1486, 1590, 1696, 2120, 2229, 2544, 2972, 3180, 3715, 4240, 4458, 5088, 5944, 6360, 7430, 8480, 8916, 11145, 11888, 12720, 14860, 17832, 22290, 23776, 25440, 29720, 35664, 39379, 44580, 59440, 71328, 78758, 89160, 118137, 118880, 157516, 178320, 196895, 236274, 315032, 356640, 393790, 472548, 590685, 630064, 787580, 945096, 1181370, 1260128, 1575160, 1890192, 2362740, 3150320, 3780384, 4725480, 6300640, 9450960, 18901920]

約数ペア:

[(1, 18901920), (2, 9450960), (3, 6300640), (4, 4725480), (5, 3780384), (6, 3150320), (8, 2362740), (10, 1890192), (12, 1575160), (15, 1260128), (16, 1181370), (20, 945096), (24, 787580), (30, 630064), (32, 590685), (40, 472548), (48, 393790), (53, 356640), (60, 315032), (80, 236274), (96, 196895), (106, 178320), (120, 157516), (159, 118880), (160, 118137), (212, 89160), (240, 78758), (265, 71328), (318, 59440), (424, 44580), (480, 39379), (530, 35664), (636, 29720), (743, 25440), (795, 23776), (848, 22290), (1060, 17832), (1272, 14860), (1486, 12720), (1590, 11888), (1696, 11145), (2120, 8916), (2229, 8480), (2544, 7430), (2972, 6360), (3180, 5944), (3715, 5088), (4240, 4458)]