18106221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1973}}^1$

素因数の和:2025

約数の個数: 32

約数和(自身を含む): 30320640

約数和(自身を除く): 12214419

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 1973, 3059, 5919, 9177, 13811, 37487, 41433, 45379, 112461, 136137, 262409, 317653, 787227, 862201, 952959, 2586603, 6035407, 18106221]

約数ペア:

[(1, 18106221), (3, 6035407), (7, 2586603), (19, 952959), (21, 862201), (23, 787227), (57, 317653), (69, 262409), (133, 136137), (161, 112461), (399, 45379), (437, 41433), (483, 37487), (1311, 13811), (1973, 9177), (3059, 5919)]