19378870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2741}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 40274496

約数和(自身を除く): 20895626

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 2741, 3535, 5482, 7070, 13705, 19187, 27410, 38374, 95935, 191870, 276841, 553682, 1384205, 1937887, 2768410, 3875774, 9689435, 19378870]

約数ペア:

[(1, 19378870), (2, 9689435), (5, 3875774), (7, 2768410), (10, 1937887), (14, 1384205), (35, 553682), (70, 276841), (101, 191870), (202, 95935), (505, 38374), (707, 27410), (1010, 19187), (1414, 13705), (2741, 7070), (3535, 5482)]