18906990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3167}}^1$

素因数の和:3376

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 26712210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 597, 995, 1194, 1990, 2985, 3167, 5970, 6334, 9501, 15835, 19002, 31670, 47505, 95010, 630233, 1260466, 1890699, 3151165, 3781398, 6302330, 9453495, 18906990]

約数ペア:

[(1, 18906990), (2, 9453495), (3, 6302330), (5, 3781398), (6, 3151165), (10, 1890699), (15, 1260466), (30, 630233), (199, 95010), (398, 47505), (597, 31670), (995, 19002), (1194, 15835), (1990, 9501), (2985, 6334), (3167, 5970)]