19066540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 42194880

約数和(自身を除く): 23128340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 181, 229, 230, 362, 458, 460, 724, 905, 916, 1145, 1810, 2290, 3620, 4163, 4580, 5267, 8326, 10534, 16652, 20815, 21068, 26335, 41449, 41630, 52670, 82898, 83260, 105340, 165796, 207245, 414490, 828980, 953327, 1906654, 3813308, 4766635, 9533270, 19066540]

約数ペア:

[(1, 19066540), (2, 9533270), (4, 4766635), (5, 3813308), (10, 1906654), (20, 953327), (23, 828980), (46, 414490), (92, 207245), (115, 165796), (181, 105340), (229, 83260), (230, 82898), (362, 52670), (458, 41630), (460, 41449), (724, 26335), (905, 21068), (916, 20815), (1145, 16652), (1810, 10534), (2290, 8326), (3620, 5267), (4163, 4580)]