18855056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1$

素因数の和:887

約数の個数: 40

約数和(自身を含む): 40176000

約数和(自身を除く): 21320944

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 149, 176, 298, 596, 719, 1192, 1438, 1639, 2384, 2876, 3278, 5752, 6556, 7909, 11504, 13112, 15818, 26224, 31636, 63272, 107131, 126544, 214262, 428524, 857048, 1178441, 1714096, 2356882, 4713764, 9427528, 18855056]

約数ペア:

[(1, 18855056), (2, 9427528), (4, 4713764), (8, 2356882), (11, 1714096), (16, 1178441), (22, 857048), (44, 428524), (88, 214262), (149, 126544), (176, 107131), (298, 63272), (596, 31636), (719, 26224), (1192, 15818), (1438, 13112), (1639, 11504), (2384, 7909), (2876, 6556), (3278, 5752)]