19370440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9137}}^1$

素因数の和:9201

約数の個数: 32

約数和(自身を含む): 44410680

約数和(自身を除く): 25040240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9137, 18274, 36548, 45685, 73096, 91370, 182740, 365480, 484261, 968522, 1937044, 2421305, 3874088, 4842610, 9685220, 19370440]

約数ペア:

[(1, 19370440), (2, 9685220), (4, 4842610), (5, 3874088), (8, 2421305), (10, 1937044), (20, 968522), (40, 484261), (53, 365480), (106, 182740), (212, 91370), (265, 73096), (424, 45685), (530, 36548), (1060, 18274), (2120, 9137)]