19885260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10691}}^1$

素因数の和:10734

約数の個数: 48

約数和(自身を含む): 57480192

約数和(自身を除く): 37594932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10691, 21382, 32073, 42764, 53455, 64146, 106910, 128292, 160365, 213820, 320730, 331421, 641460, 662842, 994263, 1325684, 1657105, 1988526, 3314210, 3977052, 4971315, 6628420, 9942630, 19885260]

約数ペア:

[(1, 19885260), (2, 9942630), (3, 6628420), (4, 4971315), (5, 3977052), (6, 3314210), (10, 1988526), (12, 1657105), (15, 1325684), (20, 994263), (30, 662842), (31, 641460), (60, 331421), (62, 320730), (93, 213820), (124, 160365), (155, 128292), (186, 106910), (310, 64146), (372, 53455), (465, 42764), (620, 32073), (930, 21382), (1860, 10691)]