18207813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 27377280

約数和(自身を除く): 9169467

約数列:

[1, 3, 13, 39, 41, 59, 123, 177, 193, 533, 579, 767, 1599, 2301, 2419, 2509, 7257, 7527, 7913, 11387, 23739, 31447, 34161, 94341, 102869, 148031, 308607, 444093, 466867, 1400601, 6069271, 18207813]

約数ペア:

[(1, 18207813), (3, 6069271), (13, 1400601), (39, 466867), (41, 444093), (59, 308607), (123, 148031), (177, 102869), (193, 94341), (533, 34161), (579, 31447), (767, 23739), (1599, 11387), (2301, 7913), (2419, 7527), (2509, 7257)]