18439540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131711}}^1$

素因数の和:131727

約数の個数: 24

約数和(自身を含む): 44255232

約数和(自身を除く): 25815692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131711, 263422, 526844, 658555, 921977, 1317110, 1843954, 2634220, 3687908, 4609885, 9219770, 18439540]

約数ペア:

[(1, 18439540), (2, 9219770), (4, 4609885), (5, 3687908), (7, 2634220), (10, 1843954), (14, 1317110), (20, 921977), (28, 658555), (35, 526844), (70, 263422), (140, 131711)]