199067408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{654827}}^1$

素因数の和:654854

約数の個数: 20

約数和(自身を含む): 405993360

約数和(自身を除く): 206925952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 654827, 1309654, 2619308, 5238616, 10477232, 12441713, 24883426, 49766852, 99533704, 199067408]

約数ペア:

[(1, 199067408), (2, 99533704), (4, 49766852), (8, 24883426), (16, 12441713), (19, 10477232), (38, 5238616), (76, 2619308), (152, 1309654), (304, 654827)]