18441837

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 30317760

約数和(自身を除く): 11875923

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 437, 513, 521, 621, 1311, 1539, 1563, 1863, 3933, 4689, 9899, 11799, 11983, 14067, 29697, 35397, 35949, 42201, 89091, 107847, 227677, 267273, 323541, 683031, 801819, 970623, 2049093, 6147279, 18441837]

約数ペア:

[(1, 18441837), (3, 6147279), (9, 2049093), (19, 970623), (23, 801819), (27, 683031), (57, 323541), (69, 267273), (81, 227677), (171, 107847), (207, 89091), (437, 42201), (513, 35949), (521, 35397), (621, 29697), (1311, 14067), (1539, 11983), (1563, 11799), (1863, 9899), (3933, 4689)]