19679355

素因数分解:

$3^6\times 5^1\times {\mathrm{5399}}^1$

素因数の和:5422

約数の個数: 28

約数和(自身を含む): 35413200

約数和(自身を除く): 15733845

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5399, 16197, 26995, 48591, 80985, 145773, 242955, 437319, 728865, 1311957, 2186595, 3935871, 6559785, 19679355]

約数ペア:

[(1, 19679355), (3, 6559785), (5, 3935871), (9, 2186595), (15, 1311957), (27, 728865), (45, 437319), (81, 242955), (135, 145773), (243, 80985), (405, 48591), (729, 26995), (1215, 16197), (3645, 5399)]