18323500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2819}}^1$

素因数の和:2851

約数の個数: 48

約数和(自身を含む): 43112160

約数和(自身を除く): 24788660

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 2819, 3250, 5638, 6500, 11276, 14095, 28190, 36647, 56380, 70475, 73294, 140950, 146588, 183235, 281900, 352375, 366470, 704750, 732940, 916175, 1409500, 1832350, 3664700, 4580875, 9161750, 18323500]

約数ペア:

[(1, 18323500), (2, 9161750), (4, 4580875), (5, 3664700), (10, 1832350), (13, 1409500), (20, 916175), (25, 732940), (26, 704750), (50, 366470), (52, 352375), (65, 281900), (100, 183235), (125, 146588), (130, 140950), (250, 73294), (260, 70475), (325, 56380), (500, 36647), (650, 28190), (1300, 14095), (1625, 11276), (2819, 6500), (3250, 5638)]