19745220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29917}}^1$

素因数の和:29940

約数の個数: 48

約数和(自身を含む): 60314688

約数和(自身を除く): 40569468

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 29917, 59834, 89751, 119668, 149585, 179502, 299170, 329087, 359004, 448755, 598340, 658174, 897510, 987261, 1316348, 1645435, 1795020, 1974522, 3290870, 3949044, 4936305, 6581740, 9872610, 19745220]

約数ペア:

[(1, 19745220), (2, 9872610), (3, 6581740), (4, 4936305), (5, 3949044), (6, 3290870), (10, 1974522), (11, 1795020), (12, 1645435), (15, 1316348), (20, 987261), (22, 897510), (30, 658174), (33, 598340), (44, 448755), (55, 359004), (60, 329087), (66, 299170), (110, 179502), (132, 149585), (165, 119668), (220, 89751), (330, 59834), (660, 29917)]