19717230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3889}}^1$

素因数の和:3925

約数の個数: 48

約数和(自身を含む): 51254640

約数和(自身を除く): 31537410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 3889, 5070, 7778, 11667, 19445, 23334, 38890, 50557, 58335, 101114, 116670, 151671, 252785, 303342, 505570, 657241, 758355, 1314482, 1516710, 1971723, 3286205, 3943446, 6572410, 9858615, 19717230]

約数ペア:

[(1, 19717230), (2, 9858615), (3, 6572410), (5, 3943446), (6, 3286205), (10, 1971723), (13, 1516710), (15, 1314482), (26, 758355), (30, 657241), (39, 505570), (65, 303342), (78, 252785), (130, 151671), (169, 116670), (195, 101114), (338, 58335), (390, 50557), (507, 38890), (845, 23334), (1014, 19445), (1690, 11667), (2535, 7778), (3889, 5070)]