19615544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4013}}^1$

素因数の和:4079

約数の個数: 32

約数和(自身を含む): 40461120

約数和(自身を除く): 20845576

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4013, 4888, 8026, 16052, 32104, 52169, 104338, 188611, 208676, 377222, 417352, 754444, 1508888, 2451943, 4903886, 9807772, 19615544]

約数ペア:

[(1, 19615544), (2, 9807772), (4, 4903886), (8, 2451943), (13, 1508888), (26, 754444), (47, 417352), (52, 377222), (94, 208676), (104, 188611), (188, 104338), (376, 52169), (611, 32104), (1222, 16052), (2444, 8026), (4013, 4888)]