19800350

素因数分解:

$2^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{3701}}^1$

素因数の和:3820

約数の個数: 24

約数和(自身を含む): 37182888

約数和(自身を除く): 17382538

約数列:

[1, 2, 5, 10, 25, 50, 107, 214, 535, 1070, 2675, 3701, 5350, 7402, 18505, 37010, 92525, 185050, 396007, 792014, 1980035, 3960070, 9900175, 19800350]

約数ペア:

[(1, 19800350), (2, 9900175), (5, 3960070), (10, 1980035), (25, 792014), (50, 396007), (107, 185050), (214, 92525), (535, 37010), (1070, 18505), (2675, 7402), (3701, 5350)]