18505780458543

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{27150619}}^1$

素因数の和:27151012

約数の個数: 48

約数和(自身を含む): 31625042176000

約数和(自身を除く): 13119261717457

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 349, 651, 1047, 1953, 2443, 3141, 7329, 10819, 21987, 32457, 75733, 97371, 227199, 681597, 27150619, 81451857, 190054333, 244355571, 570162999, 841669189, 1710488997, 2525007567, 5891684323, 7575022701, 9475566031, 17675052969, 28426698093, 53025158907, 66328962217, 85280094279, 198986886651, 293742546961, 596960659953, 881227640883, 2056197828727, 2643682922649, 6168593486181, 18505780458543]

約数ペア:

[(1, 18505780458543), (3, 6168593486181), (7, 2643682922649), (9, 2056197828727), (21, 881227640883), (31, 596960659953), (63, 293742546961), (93, 198986886651), (217, 85280094279), (279, 66328962217), (349, 53025158907), (651, 28426698093), (1047, 17675052969), (1953, 9475566031), (2443, 7575022701), (3141, 5891684323), (7329, 2525007567), (10819, 1710488997), (21987, 841669189), (32457, 570162999), (75733, 244355571), (97371, 190054333), (227199, 81451857), (681597, 27150619)]