18684250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5749}}^1$

素因数の和:5779

約数の個数: 32

約数和(自身を含む): 37674000

約数和(自身を除く): 18989750

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 5749, 11498, 28745, 57490, 74737, 143725, 149474, 287450, 373685, 718625, 747370, 1437250, 1868425, 3736850, 9342125, 18684250]

約数ペア:

[(1, 18684250), (2, 9342125), (5, 3736850), (10, 1868425), (13, 1437250), (25, 747370), (26, 718625), (50, 373685), (65, 287450), (125, 149474), (130, 143725), (250, 74737), (325, 57490), (650, 28745), (1625, 11498), (3250, 5749)]