890371388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{11715413}}^1$

素因数の和:11715436

約数の個数: 12

約数和(自身を含む): 1640157960

約数和(自身を除く): 749786572

約数列:

[1, 2, 4, 19, 38, 76, 11715413, 23430826, 46861652, 222592847, 445185694, 890371388]

約数ペア:

[(1, 890371388), (2, 445185694), (4, 222592847), (19, 46861652), (38, 23430826), (76, 11715413)]