18941013

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{593}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 34784640

約数和(自身を除く): 15843627

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 169, 189, 273, 351, 507, 593, 819, 1183, 1521, 1779, 2457, 3549, 4151, 4563, 5337, 7709, 10647, 12453, 16011, 23127, 31941, 37359, 53963, 69381, 100217, 112077, 161889, 208143, 300651, 485667, 701519, 901953, 1457001, 2104557, 2705859, 6313671, 18941013]

約数ペア:

[(1, 18941013), (3, 6313671), (7, 2705859), (9, 2104557), (13, 1457001), (21, 901953), (27, 701519), (39, 485667), (63, 300651), (91, 208143), (117, 161889), (169, 112077), (189, 100217), (273, 69381), (351, 53963), (507, 37359), (593, 31941), (819, 23127), (1183, 16011), (1521, 12453), (1779, 10647), (2457, 7709), (3549, 5337), (4151, 4563)]