19919276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9343}}^1$

素因数の和:9401

約数の個数: 24

約数和(自身を含む): 38459904

約数和(自身を除く): 18540628

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 9343, 18686, 37372, 121459, 242918, 383063, 485836, 766126, 1532252, 4979819, 9959638, 19919276]

約数ペア:

[(1, 19919276), (2, 9959638), (4, 4979819), (13, 1532252), (26, 766126), (41, 485836), (52, 383063), (82, 242918), (164, 121459), (533, 37372), (1066, 18686), (2132, 9343)]