19730090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{787}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 37445760

約数和(自身を除く): 17715670

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 787, 1090, 1574, 2507, 3935, 5014, 7870, 12535, 18101, 25070, 36202, 85783, 90505, 171566, 181010, 428915, 857830, 1973009, 3946018, 9865045, 19730090]

約数ペア:

[(1, 19730090), (2, 9865045), (5, 3946018), (10, 1973009), (23, 857830), (46, 428915), (109, 181010), (115, 171566), (218, 90505), (230, 85783), (545, 36202), (787, 25070), (1090, 18101), (1574, 12535), (2507, 7870), (3935, 5014)]