18105898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 29730240

約数和(自身を除く): 11624342

約数列:

[1, 2, 19, 38, 61, 73, 107, 122, 146, 214, 1159, 1387, 2033, 2318, 2774, 4066, 4453, 6527, 7811, 8906, 13054, 15622, 84607, 124013, 148409, 169214, 248026, 296818, 476471, 952942, 9052949, 18105898]

約数ペア:

[(1, 18105898), (2, 9052949), (19, 952942), (38, 476471), (61, 296818), (73, 248026), (107, 169214), (122, 148409), (146, 124013), (214, 84607), (1159, 15622), (1387, 13054), (2033, 8906), (2318, 7811), (2774, 6527), (4066, 4453)]