18387688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{937}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 37820160

約数和(自身を除く): 19432472

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223, 446, 892, 937, 1784, 1874, 2453, 3748, 4906, 7496, 9812, 10307, 19624, 20614, 41228, 82456, 208951, 417902, 835804, 1671608, 2298461, 4596922, 9193844, 18387688]

約数ペア:

[(1, 18387688), (2, 9193844), (4, 4596922), (8, 2298461), (11, 1671608), (22, 835804), (44, 417902), (88, 208951), (223, 82456), (446, 41228), (892, 20614), (937, 19624), (1784, 10307), (1874, 9812), (2453, 7496), (3748, 4906)]