19286800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3709}}^1$

素因数の和:3740

約数の個数: 60

約数和(自身を含む): 49914340

約数和(自身を除く): 30627540

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3709, 5200, 7418, 14836, 18545, 29672, 37090, 48217, 59344, 74180, 92725, 96434, 148360, 185450, 192868, 241085, 296720, 370900, 385736, 482170, 741800, 771472, 964340, 1205425, 1483600, 1928680, 2410850, 3857360, 4821700, 9643400, 19286800]

約数ペア:

[(1, 19286800), (2, 9643400), (4, 4821700), (5, 3857360), (8, 2410850), (10, 1928680), (13, 1483600), (16, 1205425), (20, 964340), (25, 771472), (26, 741800), (40, 482170), (50, 385736), (52, 370900), (65, 296720), (80, 241085), (100, 192868), (104, 185450), (130, 148360), (200, 96434), (208, 92725), (260, 74180), (325, 59344), (400, 48217), (520, 37090), (650, 29672), (1040, 18545), (1300, 14836), (2600, 7418), (3709, 5200)]