19037313

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 28238496

約数和(自身を除く): 9201183

約数列:

[1, 3, 9, 67, 131, 201, 241, 393, 603, 723, 1179, 2169, 8777, 16147, 26331, 31571, 48441, 78993, 94713, 145323, 284139, 2115257, 6345771, 19037313]

約数ペア:

[(1, 19037313), (3, 6345771), (9, 2115257), (67, 284139), (131, 145323), (201, 94713), (241, 78993), (393, 48441), (603, 31571), (723, 26331), (1179, 16147), (2169, 8777)]