19304080

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1063}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 45122112

約数和(自身を除く): 25818032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1063, 1135, 1816, 2126, 2270, 3632, 4252, 4540, 5315, 8504, 9080, 10630, 17008, 18160, 21260, 42520, 85040, 241301, 482602, 965204, 1206505, 1930408, 2413010, 3860816, 4826020, 9652040, 19304080]

約数ペア:

[(1, 19304080), (2, 9652040), (4, 4826020), (5, 3860816), (8, 2413010), (10, 1930408), (16, 1206505), (20, 965204), (40, 482602), (80, 241301), (227, 85040), (454, 42520), (908, 21260), (1063, 18160), (1135, 17008), (1816, 10630), (2126, 9080), (2270, 8504), (3632, 5315), (4252, 4540)]