19645905123

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1886671}}^1$

素因数の和:1886779

約数の個数: 24

約数和(自身を含む): 30903687360

約数和(自身を除く): 11257782237

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 3471, 10413, 1886671, 5660013, 16980039, 24526723, 73580169, 167913719, 220740507, 503741157, 1511223471, 2182878347, 6548635041, 19645905123]

約数ペア:

[(1, 19645905123), (3, 6548635041), (9, 2182878347), (13, 1511223471), (39, 503741157), (89, 220740507), (117, 167913719), (267, 73580169), (801, 24526723), (1157, 16980039), (3471, 5660013), (10413, 1886671)]