19864190416

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{34259}}^1$

素因数の和:34472

約数の個数: 80

約数和(自身を含む): 45677076480

約数和(自身を除く): 25812886064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 167, 217, 248, 334, 434, 496, 668, 868, 1169, 1336, 1736, 2338, 2672, 3472, 4676, 5177, 9352, 10354, 18704, 20708, 34259, 36239, 41416, 68518, 72478, 82832, 137036, 144956, 239813, 274072, 289912, 479626, 548144, 579824, 959252, 1062029, 1918504, 2124058, 3837008, 4248116, 5721253, 7434203, 8496232, 11442506, 14868406, 16992464, 22885012, 29736812, 40048771, 45770024, 59473624, 80097542, 91540048, 118947248, 160195084, 177358843, 320390168, 354717686, 640780336, 709435372, 1241511901, 1418870744, 2483023802, 2837741488, 4966047604, 9932095208, 19864190416]

約数ペア:

[(1, 19864190416), (2, 9932095208), (4, 4966047604), (7, 2837741488), (8, 2483023802), (14, 1418870744), (16, 1241511901), (28, 709435372), (31, 640780336), (56, 354717686), (62, 320390168), (112, 177358843), (124, 160195084), (167, 118947248), (217, 91540048), (248, 80097542), (334, 59473624), (434, 45770024), (496, 40048771), (668, 29736812), (868, 22885012), (1169, 16992464), (1336, 14868406), (1736, 11442506), (2338, 8496232), (2672, 7434203), (3472, 5721253), (4676, 4248116), (5177, 3837008), (9352, 2124058), (10354, 1918504), (18704, 1062029), (20708, 959252), (34259, 579824), (36239, 548144), (41416, 479626), (68518, 289912), (72478, 274072), (82832, 239813), (137036, 144956)]