19521420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1459}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 54942720

約数和(自身を除く): 35421300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 1459, 2230, 2676, 2918, 3345, 4377, 4460, 5836, 6690, 7295, 8754, 13380, 14590, 17508, 21885, 29180, 43770, 87540, 325357, 650714, 976071, 1301428, 1626785, 1952142, 3253570, 3904284, 4880355, 6507140, 9760710, 19521420]

約数ペア:

[(1, 19521420), (2, 9760710), (3, 6507140), (4, 4880355), (5, 3904284), (6, 3253570), (10, 1952142), (12, 1626785), (15, 1301428), (20, 976071), (30, 650714), (60, 325357), (223, 87540), (446, 43770), (669, 29180), (892, 21885), (1115, 17508), (1338, 14590), (1459, 13380), (2230, 8754), (2676, 7295), (2918, 6690), (3345, 5836), (4377, 4460)]