19927336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17419}}^1$

素因数の和:17449

約数の個数: 32

約数和(自身を含む): 43898400

約数和(自身を除く): 23971064

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17419, 34838, 69676, 139352, 191609, 226447, 383218, 452894, 766436, 905788, 1532872, 1811576, 2490917, 4981834, 9963668, 19927336]

約数ペア:

[(1, 19927336), (2, 9963668), (4, 4981834), (8, 2490917), (11, 1811576), (13, 1532872), (22, 905788), (26, 766436), (44, 452894), (52, 383218), (88, 226447), (104, 191609), (143, 139352), (286, 69676), (572, 34838), (1144, 17419)]