18645081

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 30858240

約数和(自身を除く): 12213159

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 419, 489, 1141, 1257, 2119, 2933, 3423, 5447, 6357, 8799, 14833, 16341, 38129, 44499, 68297, 114387, 204891, 478079, 887861, 1434237, 2663583, 6215027, 18645081]

約数ペア:

[(1, 18645081), (3, 6215027), (7, 2663583), (13, 1434237), (21, 887861), (39, 478079), (91, 204891), (163, 114387), (273, 68297), (419, 44499), (489, 38129), (1141, 16341), (1257, 14833), (2119, 8799), (2933, 6357), (3423, 5447)]