19982063764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{23053}}^1$

素因数の和:23360

約数の個数: 48

約数和(自身を含む): 38317592320

約数和(自身を除く): 18335528556

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 211, 316, 422, 844, 1027, 2054, 2743, 4108, 5486, 10972, 16669, 23053, 33338, 46106, 66676, 92212, 216697, 299689, 433394, 599378, 866788, 1198756, 1821187, 3642374, 4864183, 7284748, 9728366, 19456732, 23675431, 47350862, 63234379, 94701724, 126468758, 252937516, 384270457, 768540914, 1537081828, 4995515941, 9991031882, 19982063764]

約数ペア:

[(1, 19982063764), (2, 9991031882), (4, 4995515941), (13, 1537081828), (26, 768540914), (52, 384270457), (79, 252937516), (158, 126468758), (211, 94701724), (316, 63234379), (422, 47350862), (844, 23675431), (1027, 19456732), (2054, 9728366), (2743, 7284748), (4108, 4864183), (5486, 3642374), (10972, 1821187), (16669, 1198756), (23053, 866788), (33338, 599378), (46106, 433394), (66676, 299689), (92212, 216697)]