18784140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10099}}^1$

素因数の和:10142

約数の個数: 48

約数和(自身を含む): 54297600

約数和(自身を除く): 35513460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10099, 20198, 30297, 40396, 50495, 60594, 100990, 121188, 151485, 201980, 302970, 313069, 605940, 626138, 939207, 1252276, 1565345, 1878414, 3130690, 3756828, 4696035, 6261380, 9392070, 18784140]

約数ペア:

[(1, 18784140), (2, 9392070), (3, 6261380), (4, 4696035), (5, 3756828), (6, 3130690), (10, 1878414), (12, 1565345), (15, 1252276), (20, 939207), (30, 626138), (31, 605940), (60, 313069), (62, 302970), (93, 201980), (124, 151485), (155, 121188), (186, 100990), (310, 60594), (372, 50495), (465, 40396), (620, 30297), (930, 20198), (1860, 10099)]