19803436

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:538

約数の個数: 36

約数和(自身を含む): 37891168

約数和(自身を除く): 18087732

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 289, 463, 578, 629, 926, 1156, 1258, 1852, 2516, 7871, 10693, 15742, 17131, 21386, 31484, 34262, 42772, 68524, 133807, 267614, 291227, 535228, 582454, 1164908, 4950859, 9901718, 19803436]

約数ペア:

[(1, 19803436), (2, 9901718), (4, 4950859), (17, 1164908), (34, 582454), (37, 535228), (68, 291227), (74, 267614), (148, 133807), (289, 68524), (463, 42772), (578, 34262), (629, 31484), (926, 21386), (1156, 17131), (1258, 15742), (1852, 10693), (2516, 7871)]