31397386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 51600960

約数和(自身を除く): 20203574

約数列:

[1, 2, 19, 37, 38, 74, 137, 163, 274, 326, 703, 1406, 2603, 3097, 5069, 5206, 6031, 6194, 10138, 12062, 22331, 44662, 96311, 114589, 192622, 229178, 424289, 826247, 848578, 1652494, 15698693, 31397386]

約数ペア:

[(1, 31397386), (2, 15698693), (19, 1652494), (37, 848578), (38, 826247), (74, 424289), (137, 229178), (163, 192622), (274, 114589), (326, 96311), (703, 44662), (1406, 22331), (2603, 12062), (3097, 10138), (5069, 6194), (5206, 6031)]