18577767

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 9646233

約数列:

[1, 3, 13, 23, 39, 69, 139, 149, 299, 417, 447, 897, 1807, 1937, 3197, 3427, 5421, 5811, 9591, 10281, 20711, 41561, 44551, 62133, 124683, 133653, 269243, 476353, 807729, 1429059, 6192589, 18577767]

約数ペア:

[(1, 18577767), (3, 6192589), (13, 1429059), (23, 807729), (39, 476353), (69, 269243), (139, 133653), (149, 124683), (299, 62133), (417, 44551), (447, 41561), (897, 20711), (1807, 10281), (1937, 9591), (3197, 5811), (3427, 5421)]