16889886

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 39901680

約数和(自身を除く): 23011794

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 117, 178, 234, 267, 534, 801, 811, 1157, 1602, 1622, 2314, 2433, 3471, 4866, 6942, 7299, 10413, 10543, 14598, 20826, 21086, 31629, 63258, 72179, 94887, 144358, 189774, 216537, 433074, 649611, 938327, 1299222, 1876654, 2814981, 5629962, 8444943, 16889886]

約数ペア:

[(1, 16889886), (2, 8444943), (3, 5629962), (6, 2814981), (9, 1876654), (13, 1299222), (18, 938327), (26, 649611), (39, 433074), (78, 216537), (89, 189774), (117, 144358), (178, 94887), (234, 72179), (267, 63258), (534, 31629), (801, 21086), (811, 20826), (1157, 14598), (1602, 10543), (1622, 10413), (2314, 7299), (2433, 6942), (3471, 4866)]