18372956

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 38664192

約数和(自身を除く): 20291236

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 347, 427, 434, 694, 854, 868, 1388, 1708, 1891, 2429, 3782, 4858, 7564, 9716, 10757, 13237, 21167, 21514, 26474, 42334, 43028, 52948, 75299, 84668, 148169, 150598, 296338, 301196, 592676, 656177, 1312354, 2624708, 4593239, 9186478, 18372956]

約数ペア:

[(1, 18372956), (2, 9186478), (4, 4593239), (7, 2624708), (14, 1312354), (28, 656177), (31, 592676), (61, 301196), (62, 296338), (122, 150598), (124, 148169), (217, 84668), (244, 75299), (347, 52948), (427, 43028), (434, 42334), (694, 26474), (854, 21514), (868, 21167), (1388, 13237), (1708, 10757), (1891, 9716), (2429, 7564), (3782, 4858)]