19963597

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 21450240

約数和(自身を除く): 1486643

約数列:

[1, 31, 41, 113, 139, 1271, 3503, 4309, 4633, 5699, 15707, 143623, 176669, 486917, 643987, 19963597]

約数ペア:

[(1, 19963597), (31, 643987), (41, 486917), (113, 176669), (139, 143623), (1271, 15707), (3503, 5699), (4309, 4633)]