19013799

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 29931520

約数和(自身を除く): 10917721

約数列:

[1, 3, 7, 21, 73, 79, 157, 219, 237, 471, 511, 553, 1099, 1533, 1659, 3297, 5767, 11461, 12403, 17301, 34383, 37209, 40369, 80227, 86821, 121107, 240681, 260463, 905419, 2716257, 6337933, 19013799]

約数ペア:

[(1, 19013799), (3, 6337933), (7, 2716257), (21, 905419), (73, 260463), (79, 240681), (157, 121107), (219, 86821), (237, 80227), (471, 40369), (511, 37209), (553, 34383), (1099, 17301), (1533, 12403), (1659, 11461), (3297, 5767)]