19620465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{76943}}^1$

素因数の和:76968

約数の個数: 16

約数和(自身を含む): 33239808

約数和(自身を除く): 13619343

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 76943, 230829, 384715, 1154145, 1308031, 3924093, 6540155, 19620465]

約数ペア:

[(1, 19620465), (3, 6540155), (5, 3924093), (15, 1308031), (17, 1154145), (51, 384715), (85, 230829), (255, 76943)]