17953780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 40924800

約数和(自身を除く): 22971020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 347, 398, 694, 796, 995, 1388, 1735, 1990, 2587, 3470, 3980, 4511, 5174, 6940, 9022, 10348, 12935, 18044, 22555, 25870, 45110, 51740, 69053, 90220, 138106, 276212, 345265, 690530, 897689, 1381060, 1795378, 3590756, 4488445, 8976890, 17953780]

約数ペア:

[(1, 17953780), (2, 8976890), (4, 4488445), (5, 3590756), (10, 1795378), (13, 1381060), (20, 897689), (26, 690530), (52, 345265), (65, 276212), (130, 138106), (199, 90220), (260, 69053), (347, 51740), (398, 45110), (694, 25870), (796, 22555), (995, 18044), (1388, 12935), (1735, 10348), (1990, 9022), (2587, 6940), (3470, 5174), (3980, 4511)]