11421964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1097}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 21213360

約数和(自身を除く): 9791396

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 1097, 2194, 2603, 4388, 5206, 10412, 20843, 41686, 83372, 150289, 300578, 601156, 2855491, 5710982, 11421964]

約数ペア:

[(1, 11421964), (2, 5710982), (4, 2855491), (19, 601156), (38, 300578), (76, 150289), (137, 83372), (274, 41686), (548, 20843), (1097, 10412), (2194, 5206), (2603, 4388)]