19495920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81233}}^1$

素因数の和:81249

約数の個数: 40

約数和(自身を含む): 60438096

約数和(自身を除く): 40942176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81233, 162466, 243699, 324932, 406165, 487398, 649864, 812330, 974796, 1218495, 1299728, 1624660, 1949592, 2436990, 3249320, 3899184, 4873980, 6498640, 9747960, 19495920]

約数ペア:

[(1, 19495920), (2, 9747960), (3, 6498640), (4, 4873980), (5, 3899184), (6, 3249320), (8, 2436990), (10, 1949592), (12, 1624660), (15, 1299728), (16, 1218495), (20, 974796), (24, 812330), (30, 649864), (40, 487398), (48, 406165), (60, 324932), (80, 243699), (120, 162466), (240, 81233)]