18888982

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 33951744

約数和(自身を除く): 15062762

約数列:

[1, 2, 7, 14, 31, 62, 71, 142, 217, 434, 497, 613, 994, 1226, 2201, 4291, 4402, 8582, 15407, 19003, 30814, 38006, 43523, 87046, 133021, 266042, 304661, 609322, 1349213, 2698426, 9444491, 18888982]

約数ペア:

[(1, 18888982), (2, 9444491), (7, 2698426), (14, 1349213), (31, 609322), (62, 304661), (71, 266042), (142, 133021), (217, 87046), (434, 43523), (497, 38006), (613, 30814), (994, 19003), (1226, 15407), (2201, 8582), (4291, 4402)]