18698229

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 30487680

約数和(自身を除く): 11789451

約数列:

[1, 3, 9, 11, 27, 33, 99, 157, 297, 401, 471, 1203, 1413, 1727, 3609, 4239, 4411, 5181, 10827, 13233, 15543, 39699, 46629, 62957, 119097, 188871, 566613, 692527, 1699839, 2077581, 6232743, 18698229]

約数ペア:

[(1, 18698229), (3, 6232743), (9, 2077581), (11, 1699839), (27, 692527), (33, 566613), (99, 188871), (157, 119097), (297, 62957), (401, 46629), (471, 39699), (1203, 15543), (1413, 13233), (1727, 10827), (3609, 5181), (4239, 4411)]