19154460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1889}}^1$

素因数の和:1927

約数の個数: 72

約数和(自身を含む): 58106160

約数和(自身を除く): 38951700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 1889, 2028, 2535, 3380, 3778, 5070, 5667, 7556, 9445, 10140, 11334, 18890, 22668, 24557, 28335, 37780, 49114, 56670, 73671, 98228, 113340, 122785, 147342, 245570, 294684, 319241, 368355, 491140, 638482, 736710, 957723, 1276964, 1473420, 1596205, 1915446, 3192410, 3830892, 4788615, 6384820, 9577230, 19154460]

約数ペア:

[(1, 19154460), (2, 9577230), (3, 6384820), (4, 4788615), (5, 3830892), (6, 3192410), (10, 1915446), (12, 1596205), (13, 1473420), (15, 1276964), (20, 957723), (26, 736710), (30, 638482), (39, 491140), (52, 368355), (60, 319241), (65, 294684), (78, 245570), (130, 147342), (156, 122785), (169, 113340), (195, 98228), (260, 73671), (338, 56670), (390, 49114), (507, 37780), (676, 28335), (780, 24557), (845, 22668), (1014, 18890), (1690, 11334), (1889, 10140), (2028, 9445), (2535, 7556), (3380, 5667), (3778, 5070)]