19880498536

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{2243}}^1\times {\mathrm{8087}}^1$

素因数の和:10473

約数の個数: 32

約数和(自身を含む): 37569407040

約数和(自身を除く): 17688908504

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 2243, 4486, 8087, 8972, 16174, 17944, 32348, 64696, 307291, 614582, 1107919, 1229164, 2215838, 2458328, 4431676, 8863352, 18139141, 36278282, 72556564, 145113128, 2485062317, 4970124634, 9940249268, 19880498536]

約数ペア:

[(1, 19880498536), (2, 9940249268), (4, 4970124634), (8, 2485062317), (137, 145113128), (274, 72556564), (548, 36278282), (1096, 18139141), (2243, 8863352), (4486, 4431676), (8087, 2458328), (8972, 2215838), (16174, 1229164), (17944, 1107919), (32348, 614582), (64696, 307291)]