18212210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 33685632

約数和(自身を除く): 15473422

約数列:

[1, 2, 5, 10, 71, 113, 142, 226, 227, 355, 454, 565, 710, 1130, 1135, 2270, 8023, 16046, 16117, 25651, 32234, 40115, 51302, 80230, 80585, 128255, 161170, 256510, 1821221, 3642442, 9106105, 18212210]

約数ペア:

[(1, 18212210), (2, 9106105), (5, 3642442), (10, 1821221), (71, 256510), (113, 161170), (142, 128255), (226, 80585), (227, 80230), (355, 51302), (454, 40115), (565, 32234), (710, 25651), (1130, 16117), (1135, 16046), (2270, 8023)]