19372880

素因数分解:

$2^4\times 5^1\times {\mathrm{242161}}^1$

素因数の和:242174

約数の個数: 20

約数和(自身を含む): 45042132

約数和(自身を除く): 25669252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 242161, 484322, 968644, 1210805, 1937288, 2421610, 3874576, 4843220, 9686440, 19372880]

約数ペア:

[(1, 19372880), (2, 9686440), (4, 4843220), (5, 3874576), (8, 2421610), (10, 1937288), (16, 1210805), (20, 968644), (40, 484322), (80, 242161)]