18429620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4409}}^1$

素因数の和:4448

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 26023180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4409, 8818, 17636, 22045, 44090, 48499, 83771, 88180, 96998, 167542, 193996, 242495, 335084, 418855, 484990, 837710, 921481, 969980, 1675420, 1842962, 3685924, 4607405, 9214810, 18429620]

約数ペア:

[(1, 18429620), (2, 9214810), (4, 4607405), (5, 3685924), (10, 1842962), (11, 1675420), (19, 969980), (20, 921481), (22, 837710), (38, 484990), (44, 418855), (55, 335084), (76, 242495), (95, 193996), (110, 167542), (190, 96998), (209, 88180), (220, 83771), (380, 48499), (418, 44090), (836, 22045), (1045, 17636), (2090, 8818), (4180, 4409)]