19798440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{164987}}^1$

素因数の和:165001

約数の個数: 32

約数和(自身を含む): 59395680

約数和(自身を除く): 39597240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 164987, 329974, 494961, 659948, 824935, 989922, 1319896, 1649870, 1979844, 2474805, 3299740, 3959688, 4949610, 6599480, 9899220, 19798440]

約数ペア:

[(1, 19798440), (2, 9899220), (3, 6599480), (4, 4949610), (5, 3959688), (6, 3299740), (8, 2474805), (10, 1979844), (12, 1649870), (15, 1319896), (20, 989922), (24, 824935), (30, 659948), (40, 494961), (60, 329974), (120, 164987)]