17984450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1763

約数の個数: 48

約数和(自身を含む): 38435040

約数和(自身を除く): 20450590

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 1721, 2090, 3442, 5225, 8605, 10450, 17210, 18931, 32699, 37862, 43025, 65398, 86050, 94655, 163495, 189310, 326990, 359689, 473275, 719378, 817475, 946550, 1634950, 1798445, 3596890, 8992225, 17984450]

約数ペア:

[(1, 17984450), (2, 8992225), (5, 3596890), (10, 1798445), (11, 1634950), (19, 946550), (22, 817475), (25, 719378), (38, 473275), (50, 359689), (55, 326990), (95, 189310), (110, 163495), (190, 94655), (209, 86050), (275, 65398), (418, 43025), (475, 37862), (550, 32699), (950, 18931), (1045, 17210), (1721, 10450), (2090, 8605), (3442, 5225)]