19479664

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8171}}^1$

素因数の和:8328

約数の個数: 20

約数和(自身を含む): 37999800

約数和(自身を除く): 18520136

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8171, 16342, 32684, 65368, 130736, 1217479, 2434958, 4869916, 9739832, 19479664]

約数ペア:

[(1, 19479664), (2, 9739832), (4, 4869916), (8, 2434958), (16, 1217479), (149, 130736), (298, 65368), (596, 32684), (1192, 16342), (2384, 8171)]