18728588

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2069}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 34312320

約数和(自身を除く): 15583732

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2069, 2263, 4138, 4526, 8276, 9052, 64139, 128278, 151037, 256556, 302074, 604148, 4682147, 9364294, 18728588]

約数ペア:

[(1, 18728588), (2, 9364294), (4, 4682147), (31, 604148), (62, 302074), (73, 256556), (124, 151037), (146, 128278), (292, 64139), (2069, 9052), (2263, 8276), (4138, 4526)]