19850940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{36761}}^1$

素因数の和:36779

約数の個数: 48

約数和(自身を含む): 61760160

約数和(自身を除く): 41909220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 36761, 73522, 110283, 147044, 183805, 220566, 330849, 367610, 441132, 551415, 661698, 735220, 992547, 1102830, 1323396, 1654245, 1985094, 2205660, 3308490, 3970188, 4962735, 6616980, 9925470, 19850940]

約数ペア:

[(1, 19850940), (2, 9925470), (3, 6616980), (4, 4962735), (5, 3970188), (6, 3308490), (9, 2205660), (10, 1985094), (12, 1654245), (15, 1323396), (18, 1102830), (20, 992547), (27, 735220), (30, 661698), (36, 551415), (45, 441132), (54, 367610), (60, 330849), (90, 220566), (108, 183805), (135, 147044), (180, 110283), (270, 73522), (540, 36761)]