19723600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3793}}^1$

素因数の和:3824

約数の個数: 60

約数和(自身を含む): 51044476

約数和(自身を除く): 31320876

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, 3793, 5200, 7586, 15172, 18965, 30344, 37930, 49309, 60688, 75860, 94825, 98618, 151720, 189650, 197236, 246545, 303440, 379300, 394472, 493090, 758600, 788944, 986180, 1232725, 1517200, 1972360, 2465450, 3944720, 4930900, 9861800, 19723600]

約数ペア:

[(1, 19723600), (2, 9861800), (4, 4930900), (5, 3944720), (8, 2465450), (10, 1972360), (13, 1517200), (16, 1232725), (20, 986180), (25, 788944), (26, 758600), (40, 493090), (50, 394472), (52, 379300), (65, 303440), (80, 246545), (100, 197236), (104, 189650), (130, 151720), (200, 98618), (208, 94825), (260, 75860), (325, 60688), (400, 49309), (520, 37930), (650, 30344), (1040, 18965), (1300, 15172), (2600, 7586), (3793, 5200)]