18692385

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 12636255

約数列:

[1, 3, 5, 15, 29, 87, 97, 145, 291, 435, 443, 485, 1329, 1455, 2215, 2813, 6645, 8439, 12847, 14065, 38541, 42195, 42971, 64235, 128913, 192705, 214855, 644565, 1246159, 3738477, 6230795, 18692385]

約数ペア:

[(1, 18692385), (3, 6230795), (5, 3738477), (15, 1246159), (29, 644565), (87, 214855), (97, 192705), (145, 128913), (291, 64235), (435, 42971), (443, 42195), (485, 38541), (1329, 14065), (1455, 12847), (2215, 8439), (2813, 6645)]