19730750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{467}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 40081392

約数和(自身を除く): 20350642

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 467, 650, 845, 934, 1625, 1690, 2335, 3250, 4225, 4670, 6071, 8450, 11675, 12142, 21125, 23350, 30355, 42250, 58375, 60710, 78923, 116750, 151775, 157846, 303550, 394615, 758875, 789230, 1517750, 1973075, 3946150, 9865375, 19730750]

約数ペア:

[(1, 19730750), (2, 9865375), (5, 3946150), (10, 1973075), (13, 1517750), (25, 789230), (26, 758875), (50, 394615), (65, 303550), (125, 157846), (130, 151775), (169, 116750), (250, 78923), (325, 60710), (338, 58375), (467, 42250), (650, 30355), (845, 23350), (934, 21125), (1625, 12142), (1690, 11675), (2335, 8450), (3250, 6071), (4225, 4670)]