18780632

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 39528000

約数和(自身を除く): 20747368

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 169, 232, 338, 377, 479, 676, 754, 958, 1352, 1508, 1916, 3016, 3832, 4901, 6227, 9802, 12454, 13891, 19604, 24908, 27782, 39208, 49816, 55564, 80951, 111128, 161902, 180583, 323804, 361166, 647608, 722332, 1444664, 2347579, 4695158, 9390316, 18780632]

約数ペア:

[(1, 18780632), (2, 9390316), (4, 4695158), (8, 2347579), (13, 1444664), (26, 722332), (29, 647608), (52, 361166), (58, 323804), (104, 180583), (116, 161902), (169, 111128), (232, 80951), (338, 55564), (377, 49816), (479, 39208), (676, 27782), (754, 24908), (958, 19604), (1352, 13891), (1508, 12454), (1916, 9802), (3016, 6227), (3832, 4901)]