18736028

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2477}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 34414464

約数和(自身を除く): 15678436

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 2477, 3782, 4954, 7564, 9908, 76787, 151097, 153574, 302194, 307148, 604388, 4684007, 9368014, 18736028]

約数ペア:

[(1, 18736028), (2, 9368014), (4, 4684007), (31, 604388), (61, 307148), (62, 302194), (122, 153574), (124, 151097), (244, 76787), (1891, 9908), (2477, 7564), (3782, 4954)]