18720233428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{469367}}^1$

素因数の和:469456

約数の個数: 36

約数和(自身を含む): 36075624480

約数和(自身を除く): 17355391052

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 169, 236, 338, 676, 767, 1534, 3068, 9971, 19942, 39884, 469367, 938734, 1877468, 6101771, 12203542, 24407084, 27692653, 55385306, 79323023, 110770612, 158646046, 317292092, 360004489, 720008978, 1440017956, 4680058357, 9360116714, 18720233428]

約数ペア:

[(1, 18720233428), (2, 9360116714), (4, 4680058357), (13, 1440017956), (26, 720008978), (52, 360004489), (59, 317292092), (118, 158646046), (169, 110770612), (236, 79323023), (338, 55385306), (676, 27692653), (767, 24407084), (1534, 12203542), (3068, 6101771), (9971, 1877468), (19942, 938734), (39884, 469367)]