18018858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21001}}^1$

素因数の和:21030

約数の個数: 32

約数和(自身を含む): 42340032

約数和(自身を除く): 24321174

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 21001, 42002, 63003, 126006, 231011, 273013, 462022, 546026, 693033, 819039, 1386066, 1638078, 3003143, 6006286, 9009429, 18018858]

約数ペア:

[(1, 18018858), (2, 9009429), (3, 6006286), (6, 3003143), (11, 1638078), (13, 1386066), (22, 819039), (26, 693033), (33, 546026), (39, 462022), (66, 273013), (78, 231011), (143, 126006), (286, 63003), (429, 42002), (858, 21001)]