18615730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3643}}^1$

素因数の和:3730

約数の個数: 32

約数和(自身を含む): 38830464

約数和(自身を除く): 20214734

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 3643, 5110, 7286, 18215, 25501, 36430, 51002, 127505, 255010, 265939, 531878, 1329695, 1861573, 2659390, 3723146, 9307865, 18615730]

約数ペア:

[(1, 18615730), (2, 9307865), (5, 3723146), (7, 2659390), (10, 1861573), (14, 1329695), (35, 531878), (70, 265939), (73, 255010), (146, 127505), (365, 51002), (511, 36430), (730, 25501), (1022, 18215), (2555, 7286), (3643, 5110)]