19965195

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15299}}^1$

素因数の和:15339

約数の個数: 24

約数和(自身を含む): 35802000

約数和(自身を除く): 15836805

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15299, 45897, 76495, 137691, 229485, 443671, 688455, 1331013, 2218355, 3993039, 6655065, 19965195]

約数ペア:

[(1, 19965195), (3, 6655065), (5, 3993039), (9, 2218355), (15, 1331013), (29, 688455), (45, 443671), (87, 229485), (145, 137691), (261, 76495), (435, 45897), (1305, 15299)]