19707573

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 29673216

約数和(自身を除く): 9965643

約数列:

[1, 3, 17, 23, 51, 53, 69, 159, 317, 391, 901, 951, 1173, 1219, 2703, 3657, 5389, 7291, 16167, 16801, 20723, 21873, 50403, 62169, 123947, 285617, 371841, 386423, 856851, 1159269, 6569191, 19707573]

約数ペア:

[(1, 19707573), (3, 6569191), (17, 1159269), (23, 856851), (51, 386423), (53, 371841), (69, 285617), (159, 123947), (317, 62169), (391, 50403), (901, 21873), (951, 20723), (1173, 16801), (1219, 16167), (2703, 7291), (3657, 5389)]