18101811

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 30220288

約数和(自身を除く): 12118477

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1087, 1281, 2379, 3261, 5551, 7609, 14131, 16653, 22827, 42393, 66307, 98917, 198921, 296751, 464149, 861991, 1392447, 2585973, 6033937, 18101811]

約数ペア:

[(1, 18101811), (3, 6033937), (7, 2585973), (13, 1392447), (21, 861991), (39, 464149), (61, 296751), (91, 198921), (183, 98917), (273, 66307), (427, 42393), (793, 22827), (1087, 16653), (1281, 14131), (2379, 7609), (3261, 5551)]