31690784

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1185

約数の個数: 48

約数和(自身を含む): 67132800

約数和(自身を除く): 35442016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 752, 893, 1109, 1504, 1786, 2218, 3572, 4436, 7144, 8872, 14288, 17744, 21071, 28576, 35488, 42142, 52123, 84284, 104246, 168568, 208492, 337136, 416984, 674272, 833968, 990337, 1667936, 1980674, 3961348, 7922696, 15845392, 31690784]

約数ペア:

[(1, 31690784), (2, 15845392), (4, 7922696), (8, 3961348), (16, 1980674), (19, 1667936), (32, 990337), (38, 833968), (47, 674272), (76, 416984), (94, 337136), (152, 208492), (188, 168568), (304, 104246), (376, 84284), (608, 52123), (752, 42142), (893, 35488), (1109, 28576), (1504, 21071), (1786, 17744), (2218, 14288), (3572, 8872), (4436, 7144)]