19498227

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 32394240

約数和(自身を除く): 12896013

約数列:

[1, 3, 7, 21, 23, 49, 69, 73, 79, 147, 161, 219, 237, 483, 511, 553, 1127, 1533, 1659, 1679, 1817, 3381, 3577, 3871, 5037, 5451, 5767, 10731, 11613, 11753, 12719, 17301, 35259, 38157, 40369, 82271, 89033, 121107, 132641, 246813, 267099, 282583, 397923, 847749, 928487, 2785461, 6499409, 19498227]

約数ペア:

[(1, 19498227), (3, 6499409), (7, 2785461), (21, 928487), (23, 847749), (49, 397923), (69, 282583), (73, 267099), (79, 246813), (147, 132641), (161, 121107), (219, 89033), (237, 82271), (483, 40369), (511, 38157), (553, 35259), (1127, 17301), (1533, 12719), (1659, 11753), (1679, 11613), (1817, 10731), (3381, 5767), (3577, 5451), (3871, 5037)]