16853987620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1430729}}^1$

素因数の和:1430788

約数の個数: 48

約数和(自身を含む): 38458022400

約数和(自身を除く): 21604034780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 1430729, 2861458, 5722916, 7153645, 14307290, 27183851, 28614580, 44352599, 54367702, 88705198, 108735404, 135919255, 177410396, 221762995, 271838510, 443525990, 543677020, 842699381, 887051980, 1685398762, 3370797524, 4213496905, 8426993810, 16853987620]

約数ペア:

[(1, 16853987620), (2, 8426993810), (4, 4213496905), (5, 3370797524), (10, 1685398762), (19, 887051980), (20, 842699381), (31, 543677020), (38, 443525990), (62, 271838510), (76, 221762995), (95, 177410396), (124, 135919255), (155, 108735404), (190, 88705198), (310, 54367702), (380, 44352599), (589, 28614580), (620, 27183851), (1178, 14307290), (2356, 7153645), (2945, 5722916), (5890, 2861458), (11780, 1430729)]