19794450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10151}}^1$

素因数の和:10179

約数の個数: 48

約数和(自身を含む): 52871616

約数和(自身を除く): 33077166

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10151, 20302, 30453, 50755, 60906, 101510, 131963, 152265, 253775, 263926, 304530, 395889, 507550, 659815, 761325, 791778, 1319630, 1522650, 1979445, 3299075, 3958890, 6598150, 9897225, 19794450]

約数ペア:

[(1, 19794450), (2, 9897225), (3, 6598150), (5, 3958890), (6, 3299075), (10, 1979445), (13, 1522650), (15, 1319630), (25, 791778), (26, 761325), (30, 659815), (39, 507550), (50, 395889), (65, 304530), (75, 263926), (78, 253775), (130, 152265), (150, 131963), (195, 101510), (325, 60906), (390, 50755), (650, 30453), (975, 20302), (1950, 10151)]