18973612

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21859}}^1$

素因数の和:21901

約数の個数: 24

約数和(自身を含む): 39173120

約数和(自身を除く): 20199508

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21859, 43718, 87436, 153013, 306026, 612052, 677629, 1355258, 2710516, 4743403, 9486806, 18973612]

約数ペア:

[(1, 18973612), (2, 9486806), (4, 4743403), (7, 2710516), (14, 1355258), (28, 677629), (31, 612052), (62, 306026), (124, 153013), (217, 87436), (434, 43718), (868, 21859)]