19879630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{347}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 38110176

約数和(自身を除く): 18230546

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 337, 347, 674, 694, 1685, 1735, 3370, 3470, 5729, 5899, 11458, 11798, 28645, 29495, 57290, 58990, 116939, 233878, 584695, 1169390, 1987963, 3975926, 9939815, 19879630]

約数ペア:

[(1, 19879630), (2, 9939815), (5, 3975926), (10, 1987963), (17, 1169390), (34, 584695), (85, 233878), (170, 116939), (337, 58990), (347, 57290), (674, 29495), (694, 28645), (1685, 11798), (1735, 11458), (3370, 5899), (3470, 5729)]