18580844

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 33289536

約数和(自身を除く): 14708692

約数列:

[1, 2, 4, 61, 122, 244, 271, 281, 542, 562, 1084, 1124, 16531, 17141, 33062, 34282, 66124, 68564, 76151, 152302, 304604, 4645211, 9290422, 18580844]

約数ペア:

[(1, 18580844), (2, 9290422), (4, 4645211), (61, 304604), (122, 152302), (244, 76151), (271, 68564), (281, 66124), (542, 34282), (562, 33062), (1084, 17141), (1124, 16531)]