18664319360

素因数分解:

$2^7\times 5^1\times {\mathrm{449}}^1\times {\mathrm{64951}}^1$

素因数の和:65419

約数の個数: 64

約数和(自身を含む): 44719452000

約数和(自身を除く): 26055132640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 449, 640, 898, 1796, 2245, 3592, 4490, 7184, 8980, 14368, 17960, 28736, 35920, 57472, 64951, 71840, 129902, 143680, 259804, 287360, 324755, 519608, 649510, 1039216, 1299020, 2078432, 2598040, 4156864, 5196080, 8313728, 10392160, 20784320, 29162999, 41568640, 58325998, 116651996, 145814995, 233303992, 291629990, 466607984, 583259980, 933215968, 1166519960, 1866431936, 2333039920, 3732863872, 4666079840, 9332159680, 18664319360]

約数ペア:

[(1, 18664319360), (2, 9332159680), (4, 4666079840), (5, 3732863872), (8, 2333039920), (10, 1866431936), (16, 1166519960), (20, 933215968), (32, 583259980), (40, 466607984), (64, 291629990), (80, 233303992), (128, 145814995), (160, 116651996), (320, 58325998), (449, 41568640), (640, 29162999), (898, 20784320), (1796, 10392160), (2245, 8313728), (3592, 5196080), (4490, 4156864), (7184, 2598040), (8980, 2078432), (14368, 1299020), (17960, 1039216), (28736, 649510), (35920, 519608), (57472, 324755), (64951, 287360), (71840, 259804), (129902, 143680)]