19677772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 37538424

約数和(自身を除く): 17860652

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 131, 188, 262, 524, 799, 1598, 2209, 2227, 3196, 4418, 4454, 6157, 8836, 8908, 12314, 24628, 37553, 75106, 104669, 150212, 209338, 289379, 418676, 578758, 1157516, 4919443, 9838886, 19677772]

約数ペア:

[(1, 19677772), (2, 9838886), (4, 4919443), (17, 1157516), (34, 578758), (47, 418676), (68, 289379), (94, 209338), (131, 150212), (188, 104669), (262, 75106), (524, 37553), (799, 24628), (1598, 12314), (2209, 8908), (2227, 8836), (3196, 6157), (4418, 4454)]