19083987

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12547}}^1$

素因数の和:12579

約数の個数: 18

約数和(自身を含む): 29851692

約数和(自身を除く): 10767705

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12547, 37641, 112923, 163111, 489333, 1467999, 2120443, 6361329, 19083987]

約数ペア:

[(1, 19083987), (3, 6361329), (9, 2120443), (13, 1467999), (39, 489333), (117, 163111), (169, 112923), (507, 37641), (1521, 12547)]