18758812

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1069}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 33974640

約数和(自身を除く): 15215828

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 1069, 2138, 4276, 4387, 8774, 17548, 43829, 87658, 114383, 175316, 228766, 457532, 4689703, 9379406, 18758812]

約数ペア:

[(1, 18758812), (2, 9379406), (4, 4689703), (41, 457532), (82, 228766), (107, 175316), (164, 114383), (214, 87658), (428, 43829), (1069, 17548), (2138, 8774), (4276, 4387)]