18741320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1567}}^1$

素因数の和:1614

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 28675000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 1567, 2392, 2990, 3134, 5980, 6268, 7835, 11960, 12536, 15670, 20371, 31340, 36041, 40742, 62680, 72082, 81484, 101855, 144164, 162968, 180205, 203710, 288328, 360410, 407420, 468533, 720820, 814840, 937066, 1441640, 1874132, 2342665, 3748264, 4685330, 9370660, 18741320]

約数ペア:

[(1, 18741320), (2, 9370660), (4, 4685330), (5, 3748264), (8, 2342665), (10, 1874132), (13, 1441640), (20, 937066), (23, 814840), (26, 720820), (40, 468533), (46, 407420), (52, 360410), (65, 288328), (92, 203710), (104, 180205), (115, 162968), (130, 144164), (184, 101855), (230, 81484), (260, 72082), (299, 62680), (460, 40742), (520, 36041), (598, 31340), (920, 20371), (1196, 15670), (1495, 12536), (1567, 11960), (2392, 7835), (2990, 6268), (3134, 5980)]