19378513

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 24667776

約数和(自身を除く): 5289263

約数列:

[1, 7, 11, 77, 121, 137, 167, 847, 959, 1169, 1507, 1837, 10549, 12859, 16577, 20207, 22879, 116039, 141449, 160153, 251669, 1761683, 2768359, 19378513]

約数ペア:

[(1, 19378513), (7, 2768359), (11, 1761683), (77, 251669), (121, 160153), (137, 141449), (167, 116039), (847, 22879), (959, 20207), (1169, 16577), (1507, 12859), (1837, 10549)]