19514440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44351}}^1$

素因数の和:44373

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 28385720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44351, 88702, 177404, 221755, 354808, 443510, 487861, 887020, 975722, 1774040, 1951444, 2439305, 3902888, 4878610, 9757220, 19514440]

約数ペア:

[(1, 19514440), (2, 9757220), (4, 4878610), (5, 3902888), (8, 2439305), (10, 1951444), (11, 1774040), (20, 975722), (22, 887020), (40, 487861), (44, 443510), (55, 354808), (88, 221755), (110, 177404), (220, 88702), (440, 44351)]