18817210

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 34765200

約数和(自身を除く): 15947990

約数列:

[1, 2, 5, 10, 73, 146, 149, 173, 298, 346, 365, 730, 745, 865, 1490, 1730, 10877, 12629, 21754, 25258, 25777, 51554, 54385, 63145, 108770, 126290, 128885, 257770, 1881721, 3763442, 9408605, 18817210]

約数ペア:

[(1, 18817210), (2, 9408605), (5, 3763442), (10, 1881721), (73, 257770), (146, 128885), (149, 126290), (173, 108770), (298, 63145), (346, 54385), (365, 51554), (730, 25777), (745, 25258), (865, 21754), (1490, 12629), (1730, 10877)]