17955376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 36122688

約数和(自身を除く): 18167312

約数列:

[1, 2, 4, 8, 16, 41, 82, 101, 164, 202, 271, 328, 404, 542, 656, 808, 1084, 1616, 2168, 4141, 4336, 8282, 11111, 16564, 22222, 27371, 33128, 44444, 54742, 66256, 88888, 109484, 177776, 218968, 437936, 1122211, 2244422, 4488844, 8977688, 17955376]

約数ペア:

[(1, 17955376), (2, 8977688), (4, 4488844), (8, 2244422), (16, 1122211), (41, 437936), (82, 218968), (101, 177776), (164, 109484), (202, 88888), (271, 66256), (328, 54742), (404, 44444), (542, 33128), (656, 27371), (808, 22222), (1084, 16564), (1616, 11111), (2168, 8282), (4141, 4336)]