19703618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{3911}}^1$

素因数の和:4153

約数の個数: 16

約数和(自身を含む): 32391360

約数和(自身を除く): 12687742

約数列:

[1, 2, 11, 22, 229, 458, 2519, 3911, 5038, 7822, 43021, 86042, 895619, 1791238, 9851809, 19703618]

約数ペア:

[(1, 19703618), (2, 9851809), (11, 1791238), (22, 895619), (229, 86042), (458, 43021), (2519, 7822), (3911, 5038)]