19804410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1117}}^1$

素因数の和:1327

約数の個数: 48

約数和(自身を含む): 51799176

約数和(自身を除く): 31994766

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 197, 394, 591, 985, 1117, 1182, 1773, 1970, 2234, 2955, 3351, 3546, 5585, 5910, 6702, 8865, 10053, 11170, 16755, 17730, 20106, 33510, 50265, 100530, 220049, 440098, 660147, 1100245, 1320294, 1980441, 2200490, 3300735, 3960882, 6601470, 9902205, 19804410]

約数ペア:

[(1, 19804410), (2, 9902205), (3, 6601470), (5, 3960882), (6, 3300735), (9, 2200490), (10, 1980441), (15, 1320294), (18, 1100245), (30, 660147), (45, 440098), (90, 220049), (197, 100530), (394, 50265), (591, 33510), (985, 20106), (1117, 17730), (1182, 16755), (1773, 11170), (1970, 10053), (2234, 8865), (2955, 6702), (3351, 5910), (3546, 5585)]