19994190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2143}}^1$

素因数の和:2464

約数の個数: 32

約数和(自身を含む): 48162816

約数和(自身を除く): 28168626

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 311, 622, 933, 1555, 1866, 2143, 3110, 4286, 4665, 6429, 9330, 10715, 12858, 21430, 32145, 64290, 666473, 1332946, 1999419, 3332365, 3998838, 6664730, 9997095, 19994190]

約数ペア:

[(1, 19994190), (2, 9997095), (3, 6664730), (5, 3998838), (6, 3332365), (10, 1999419), (15, 1332946), (30, 666473), (311, 64290), (622, 32145), (933, 21430), (1555, 12858), (1866, 10715), (2143, 9330), (3110, 6429), (4286, 4665)]