19208902

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{631}}^1$

素因数の和:1155

約数の個数: 16

約数和(自身を含む): 29850624

約数和(自身を除く): 10641722

約数列:

[1, 2, 31, 62, 491, 631, 982, 1262, 15221, 19561, 30442, 39122, 309821, 619642, 9604451, 19208902]

約数ペア:

[(1, 19208902), (2, 9604451), (31, 619642), (62, 309821), (491, 39122), (631, 30442), (982, 19561), (1262, 15221)]