18502796

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:402

約数の個数: 36

約数和(自身を含む): 35540064

約数和(自身を除く): 17037268

約数列:

[1, 2, 4, 13, 26, 52, 101, 169, 202, 271, 338, 404, 542, 676, 1084, 1313, 2626, 3523, 5252, 7046, 14092, 17069, 27371, 34138, 45799, 54742, 68276, 91598, 109484, 183196, 355823, 711646, 1423292, 4625699, 9251398, 18502796]

約数ペア:

[(1, 18502796), (2, 9251398), (4, 4625699), (13, 1423292), (26, 711646), (52, 355823), (101, 183196), (169, 109484), (202, 91598), (271, 68276), (338, 54742), (404, 45799), (542, 34138), (676, 27371), (1084, 17069), (1313, 14092), (2626, 7046), (3523, 5252)]