18311764976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{9209}}^1$

素因数の和:9478

約数の個数: 80

約数和(自身を含む): 38737996800

約数和(自身を除く): 20426231824

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 211, 248, 304, 422, 496, 589, 844, 1178, 1688, 2356, 3376, 4009, 4712, 6541, 8018, 9209, 9424, 13082, 16036, 18418, 26164, 32072, 36836, 52328, 64144, 73672, 104656, 124279, 147344, 174971, 248558, 285479, 349942, 497116, 570958, 699884, 994232, 1141916, 1399768, 1943099, 1988464, 2283832, 2799536, 3886198, 4567664, 5424101, 7772396, 10848202, 15544792, 21696404, 31089584, 36918881, 43392808, 60236069, 73837762, 86785616, 120472138, 147675524, 240944276, 295351048, 481888552, 590702096, 963777104, 1144485311, 2288970622, 4577941244, 9155882488, 18311764976]

約数ペア:

[(1, 18311764976), (2, 9155882488), (4, 4577941244), (8, 2288970622), (16, 1144485311), (19, 963777104), (31, 590702096), (38, 481888552), (62, 295351048), (76, 240944276), (124, 147675524), (152, 120472138), (211, 86785616), (248, 73837762), (304, 60236069), (422, 43392808), (496, 36918881), (589, 31089584), (844, 21696404), (1178, 15544792), (1688, 10848202), (2356, 7772396), (3376, 5424101), (4009, 4567664), (4712, 3886198), (6541, 2799536), (8018, 2283832), (9209, 1988464), (9424, 1943099), (13082, 1399768), (16036, 1141916), (18418, 994232), (26164, 699884), (32072, 570958), (36836, 497116), (52328, 349942), (64144, 285479), (73672, 248558), (104656, 174971), (124279, 147344)]