18776485

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1423}}^1$

素因数の和:1477

約数の個数: 32

約数和(自身を含む): 28707840

約数和(自身を除く): 9931355

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1423, 1885, 2639, 7115, 9961, 13195, 18499, 41267, 49805, 92495, 129493, 206335, 288869, 536471, 647465, 1444345, 2682355, 3755297, 18776485]

約数ペア:

[(1, 18776485), (5, 3755297), (7, 2682355), (13, 1444345), (29, 647465), (35, 536471), (65, 288869), (91, 206335), (145, 129493), (203, 92495), (377, 49805), (455, 41267), (1015, 18499), (1423, 13195), (1885, 9961), (2639, 7115)]