18808755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 34572288

約数和(自身を除く): 15763533

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 271, 661, 813, 1355, 1897, 1983, 3305, 4065, 4627, 5691, 9485, 9915, 13881, 23135, 28455, 69405, 179131, 537393, 895655, 1253917, 2686965, 3761751, 6269585, 18808755]

約数ペア:

[(1, 18808755), (3, 6269585), (5, 3761751), (7, 2686965), (15, 1253917), (21, 895655), (35, 537393), (105, 179131), (271, 69405), (661, 28455), (813, 23135), (1355, 13881), (1897, 9915), (1983, 9485), (3305, 5691), (4065, 4627)]