18765620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 23464540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 569, 970, 1138, 1649, 1940, 2276, 2845, 3298, 5690, 6596, 8245, 9673, 11380, 16490, 19346, 32980, 38692, 48365, 55193, 96730, 110386, 193460, 220772, 275965, 551930, 938281, 1103860, 1876562, 3753124, 4691405, 9382810, 18765620]

約数ペア:

[(1, 18765620), (2, 9382810), (4, 4691405), (5, 3753124), (10, 1876562), (17, 1103860), (20, 938281), (34, 551930), (68, 275965), (85, 220772), (97, 193460), (170, 110386), (194, 96730), (340, 55193), (388, 48365), (485, 38692), (569, 32980), (970, 19346), (1138, 16490), (1649, 11380), (1940, 9673), (2276, 8245), (2845, 6596), (3298, 5690)]