20138439568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5095759}}^1$

素因数の和:5095799

約数の個数: 40

約数和(自身を含む): 44231196800

約数和(自身を除く): 24092757232

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 5095759, 10191518, 20383036, 40766072, 66244867, 81532144, 96819421, 132489734, 193638842, 264979468, 387277684, 529958936, 774555368, 1059917872, 1258652473, 1549110736, 2517304946, 5034609892, 10069219784, 20138439568]

約数ペア:

[(1, 20138439568), (2, 10069219784), (4, 5034609892), (8, 2517304946), (13, 1549110736), (16, 1258652473), (19, 1059917872), (26, 774555368), (38, 529958936), (52, 387277684), (76, 264979468), (104, 193638842), (152, 132489734), (208, 96819421), (247, 81532144), (304, 66244867), (494, 40766072), (988, 20383036), (1976, 10191518), (3952, 5095759)]