18800973

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{853}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 28421120

約数和(自身を除く): 9620147

約数列:

[1, 3, 9, 31, 79, 93, 237, 279, 711, 853, 2449, 2559, 7347, 7677, 22041, 26443, 67387, 79329, 202161, 237987, 606483, 2088997, 6266991, 18800973]

約数ペア:

[(1, 18800973), (3, 6266991), (9, 2088997), (31, 606483), (79, 237987), (93, 202161), (237, 79329), (279, 67387), (711, 26443), (853, 22041), (2449, 7677), (2559, 7347)]