18617235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 19702893

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 35, 39, 65, 69, 91, 105, 115, 161, 195, 273, 299, 345, 455, 483, 593, 805, 897, 1365, 1495, 1779, 2093, 2415, 2965, 4151, 4485, 6279, 7709, 8895, 10465, 12453, 13639, 20755, 23127, 31395, 38545, 40917, 53963, 62265, 68195, 95473, 115635, 161889, 177307, 204585, 269815, 286419, 477365, 531921, 809445, 886535, 1241149, 1432095, 2659605, 3723447, 6205745, 18617235]

約数ペア:

[(1, 18617235), (3, 6205745), (5, 3723447), (7, 2659605), (13, 1432095), (15, 1241149), (21, 886535), (23, 809445), (35, 531921), (39, 477365), (65, 286419), (69, 269815), (91, 204585), (105, 177307), (115, 161889), (161, 115635), (195, 95473), (273, 68195), (299, 62265), (345, 53963), (455, 40917), (483, 38545), (593, 31395), (805, 23127), (897, 20755), (1365, 13639), (1495, 12453), (1779, 10465), (2093, 8895), (2415, 7709), (2965, 6279), (4151, 4485)]