19931985328

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{2087}}^1\times {\mathrm{4357}}^1$

素因数の和:6589

約数の個数: 40

約数和(自身を含む): 38927678112

約数和(自身を除く): 18995692784

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2087, 2192, 4174, 4357, 8348, 8714, 16696, 17428, 33392, 34856, 69712, 285919, 571838, 596909, 1143676, 1193818, 2287352, 2387636, 4574704, 4775272, 9093059, 9550544, 18186118, 36372236, 72744472, 145488944, 1245749083, 2491498166, 4982996332, 9965992664, 19931985328]

約数ペア:

[(1, 19931985328), (2, 9965992664), (4, 4982996332), (8, 2491498166), (16, 1245749083), (137, 145488944), (274, 72744472), (548, 36372236), (1096, 18186118), (2087, 9550544), (2192, 9093059), (4174, 4775272), (4357, 4574704), (8348, 2387636), (8714, 2287352), (16696, 1193818), (17428, 1143676), (33392, 596909), (34856, 571838), (69712, 285919)]