18486886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 32555520

約数和(自身を除く): 14068634

約数列:

[1, 2, 11, 19, 22, 38, 47, 94, 209, 418, 517, 893, 941, 1034, 1786, 1882, 9823, 10351, 17879, 19646, 20702, 35758, 44227, 88454, 196669, 393338, 486497, 840313, 972994, 1680626, 9243443, 18486886]

約数ペア:

[(1, 18486886), (2, 9243443), (11, 1680626), (19, 972994), (22, 840313), (38, 486497), (47, 393338), (94, 196669), (209, 88454), (418, 44227), (517, 35758), (893, 20702), (941, 19646), (1034, 17879), (1786, 10351), (1882, 9823)]