18749367

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{587}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 34433280

約数和(自身を除く): 15683913

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 169, 189, 273, 351, 507, 587, 819, 1183, 1521, 1761, 2457, 3549, 4109, 4563, 5283, 7631, 10647, 12327, 15849, 22893, 31941, 36981, 53417, 68679, 99203, 110943, 160251, 206037, 297609, 480753, 694421, 892827, 1442259, 2083263, 2678481, 6249789, 18749367]

約数ペア:

[(1, 18749367), (3, 6249789), (7, 2678481), (9, 2083263), (13, 1442259), (21, 892827), (27, 694421), (39, 480753), (63, 297609), (91, 206037), (117, 160251), (169, 110943), (189, 99203), (273, 68679), (351, 53417), (507, 36981), (587, 31941), (819, 22893), (1183, 15849), (1521, 12327), (1761, 10647), (2457, 7631), (3549, 5283), (4109, 4563)]