18412667

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 23998464

約数和(自身を除く): 5585797

約数列:

[1, 7, 13, 31, 61, 91, 107, 217, 403, 427, 749, 793, 1391, 1891, 2821, 3317, 5551, 6527, 9737, 13237, 23219, 24583, 43121, 45689, 84851, 172081, 202337, 301847, 593957, 1416359, 2630381, 18412667]

約数ペア:

[(1, 18412667), (7, 2630381), (13, 1416359), (31, 593957), (61, 301847), (91, 202337), (107, 172081), (217, 84851), (403, 45689), (427, 43121), (749, 24583), (793, 23219), (1391, 13237), (1891, 9737), (2821, 6527), (3317, 5551)]