18876848

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17609}}^1$

素因数の和:17684

約数の個数: 20

約数和(自身を含む): 37121880

約数和(自身を除く): 18245032

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17609, 35218, 70436, 140872, 281744, 1179803, 2359606, 4719212, 9438424, 18876848]

約数ペア:

[(1, 18876848), (2, 9438424), (4, 4719212), (8, 2359606), (16, 1179803), (67, 281744), (134, 140872), (268, 70436), (536, 35218), (1072, 17609)]