2018220645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{129001}}^1$

素因数の和:129165

約数の個数: 32

約数和(自身を含む): 3715257600

約数和(自身を除く): 1697036955

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 2235, 3129, 5215, 15645, 129001, 387003, 645005, 903007, 1935015, 2709021, 4515035, 13545105, 19221149, 57663447, 96105745, 134548043, 288317235, 403644129, 672740215, 2018220645]

約数ペア:

[(1, 2018220645), (3, 672740215), (5, 403644129), (7, 288317235), (15, 134548043), (21, 96105745), (35, 57663447), (105, 19221149), (149, 13545105), (447, 4515035), (745, 2709021), (1043, 1935015), (2235, 903007), (3129, 645005), (5215, 387003), (15645, 129001)]