19676284

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 35530880

約数和(自身を除く): 15854596

約数列:

[1, 2, 4, 43, 86, 139, 172, 278, 556, 823, 1646, 3292, 5977, 11954, 23908, 35389, 70778, 114397, 141556, 228794, 457588, 4919071, 9838142, 19676284]

約数ペア:

[(1, 19676284), (2, 9838142), (4, 4919071), (43, 457588), (86, 228794), (139, 141556), (172, 114397), (278, 70778), (556, 35389), (823, 23908), (1646, 11954), (3292, 5977)]