19977202

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8863}}^1$

素因数の和:8902

約数の個数: 24

約数和(自身を含む): 36377856

約数和(自身を除く): 16400654

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 8863, 17726, 62041, 124082, 203849, 407698, 434287, 868574, 1426943, 2853886, 9988601, 19977202]

約数ペア:

[(1, 19977202), (2, 9988601), (7, 2853886), (14, 1426943), (23, 868574), (46, 434287), (49, 407698), (98, 203849), (161, 124082), (322, 62041), (1127, 17726), (2254, 8863)]