19907838

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{18131}}^1$

素因数の和:18200

約数の個数: 24

約数和(自身を含む): 43843176

約数和(自身を除く): 23935338

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 18131, 36262, 54393, 108786, 163179, 326358, 1105991, 2211982, 3317973, 6635946, 9953919, 19907838]

約数ペア:

[(1, 19907838), (2, 9953919), (3, 6635946), (6, 3317973), (9, 2211982), (18, 1105991), (61, 326358), (122, 163179), (183, 108786), (366, 54393), (549, 36262), (1098, 18131)]