18715672728

素因数分解:

$2^3\times 3^4\times {\mathrm{59}}^1\times {\mathrm{489529}}^1$

素因数の和:489606

約数の個数: 80

約数和(自身を含む): 53309817000

約数和(自身を除く): 34594144272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 59, 72, 81, 108, 118, 162, 177, 216, 236, 324, 354, 472, 531, 648, 708, 1062, 1416, 1593, 2124, 3186, 4248, 4779, 6372, 9558, 12744, 19116, 38232, 489529, 979058, 1468587, 1958116, 2937174, 3916232, 4405761, 5874348, 8811522, 11748696, 13217283, 17623044, 26434566, 28882211, 35246088, 39651849, 52869132, 57764422, 79303698, 86646633, 105738264, 115528844, 158607396, 173293266, 231057688, 259939899, 317214792, 346586532, 519879798, 693173064, 779819697, 1039759596, 1559639394, 2079519192, 2339459091, 3119278788, 4678918182, 6238557576, 9357836364, 18715672728]

約数ペア:

[(1, 18715672728), (2, 9357836364), (3, 6238557576), (4, 4678918182), (6, 3119278788), (8, 2339459091), (9, 2079519192), (12, 1559639394), (18, 1039759596), (24, 779819697), (27, 693173064), (36, 519879798), (54, 346586532), (59, 317214792), (72, 259939899), (81, 231057688), (108, 173293266), (118, 158607396), (162, 115528844), (177, 105738264), (216, 86646633), (236, 79303698), (324, 57764422), (354, 52869132), (472, 39651849), (531, 35246088), (648, 28882211), (708, 26434566), (1062, 17623044), (1416, 13217283), (1593, 11748696), (2124, 8811522), (3186, 5874348), (4248, 4405761), (4779, 3916232), (6372, 2937174), (9558, 1958116), (12744, 1468587), (19116, 979058), (38232, 489529)]