19098180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11789}}^1$

素因数の和:11810

約数の個数: 60

約数和(自身を含む): 59916780

約数和(自身を除く): 40818600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11789, 23578, 35367, 47156, 58945, 70734, 106101, 117890, 141468, 176835, 212202, 235780, 318303, 353670, 424404, 530505, 636606, 707340, 954909, 1061010, 1273212, 1591515, 1909818, 2122020, 3183030, 3819636, 4774545, 6366060, 9549090, 19098180]

約数ペア:

[(1, 19098180), (2, 9549090), (3, 6366060), (4, 4774545), (5, 3819636), (6, 3183030), (9, 2122020), (10, 1909818), (12, 1591515), (15, 1273212), (18, 1061010), (20, 954909), (27, 707340), (30, 636606), (36, 530505), (45, 424404), (54, 353670), (60, 318303), (81, 235780), (90, 212202), (108, 176835), (135, 141468), (162, 117890), (180, 106101), (270, 70734), (324, 58945), (405, 47156), (540, 35367), (810, 23578), (1620, 11789)]