19543480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44417}}^1$

素因数の和:44439

約数の個数: 32

約数和(自身を含む): 47971440

約数和(自身を除く): 28427960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44417, 88834, 177668, 222085, 355336, 444170, 488587, 888340, 977174, 1776680, 1954348, 2442935, 3908696, 4885870, 9771740, 19543480]

約数ペア:

[(1, 19543480), (2, 9771740), (4, 4885870), (5, 3908696), (8, 2442935), (10, 1954348), (11, 1776680), (20, 977174), (22, 888340), (40, 488587), (44, 444170), (55, 355336), (88, 222085), (110, 177668), (220, 88834), (440, 44417)]