18691928

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{811}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 36442560

約数和(自身を除く): 17750632

約数列:

[1, 2, 4, 8, 43, 67, 86, 134, 172, 268, 344, 536, 811, 1622, 2881, 3244, 5762, 6488, 11524, 23048, 34873, 54337, 69746, 108674, 139492, 217348, 278984, 434696, 2336491, 4672982, 9345964, 18691928]

約数ペア:

[(1, 18691928), (2, 9345964), (4, 4672982), (8, 2336491), (43, 434696), (67, 278984), (86, 217348), (134, 139492), (172, 108674), (268, 69746), (344, 54337), (536, 34873), (811, 23048), (1622, 11524), (2881, 6488), (3244, 5762)]