18492089

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 24379392

約数和(自身を除く): 5887303

約数列:

[1, 7, 11, 31, 61, 77, 127, 217, 341, 427, 671, 889, 1397, 1891, 2387, 3937, 4697, 7747, 9779, 13237, 20801, 27559, 43307, 54229, 85217, 145607, 240157, 303149, 596519, 1681099, 2641727, 18492089]

約数ペア:

[(1, 18492089), (7, 2641727), (11, 1681099), (31, 596519), (61, 303149), (77, 240157), (127, 145607), (217, 85217), (341, 54229), (427, 43307), (671, 27559), (889, 20801), (1397, 13237), (1891, 9779), (2387, 7747), (3937, 4697)]