18487952

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7177}}^1$

素因数の和:7215

約数の個数: 40

約数和(自身を含む): 42723456

約数和(自身を除く): 24235504

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7177, 14354, 28708, 50239, 57416, 100478, 114832, 165071, 200956, 330142, 401912, 660284, 803824, 1155497, 1320568, 2310994, 2641136, 4621988, 9243976, 18487952]

約数ペア:

[(1, 18487952), (2, 9243976), (4, 4621988), (7, 2641136), (8, 2310994), (14, 1320568), (16, 1155497), (23, 803824), (28, 660284), (46, 401912), (56, 330142), (92, 200956), (112, 165071), (161, 114832), (184, 100478), (322, 57416), (368, 50239), (644, 28708), (1288, 14354), (2576, 7177)]