15128978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1109}}^1$

素因数の和:1489

約数の個数: 16

約数和(自身を含む): 23976000

約数和(自身を除く): 8847022

約数列:

[1, 2, 19, 38, 359, 718, 1109, 2218, 6821, 13642, 21071, 42142, 398131, 796262, 7564489, 15128978]

約数ペア:

[(1, 15128978), (2, 7564489), (19, 796262), (38, 398131), (359, 42142), (718, 21071), (1109, 13642), (2218, 6821)]