19445195

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2971}}^1$

素因数の和:3011

約数の個数: 32

約数和(自身を含む): 30813696

約数和(自身を除く): 11368501

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 2971, 6545, 14855, 20797, 32681, 50507, 103985, 163405, 228767, 252535, 353549, 555577, 1143835, 1767745, 2777885, 3889039, 19445195]

約数ペア:

[(1, 19445195), (5, 3889039), (7, 2777885), (11, 1767745), (17, 1143835), (35, 555577), (55, 353549), (77, 252535), (85, 228767), (119, 163405), (187, 103985), (385, 50507), (595, 32681), (935, 20797), (1309, 14855), (2971, 6545)]