19139540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136711}}^1$

素因数の和:136727

約数の個数: 24

約数和(自身を含む): 45935232

約数和(自身を除く): 26795692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136711, 273422, 546844, 683555, 956977, 1367110, 1913954, 2734220, 3827908, 4784885, 9569770, 19139540]

約数ペア:

[(1, 19139540), (2, 9569770), (4, 4784885), (5, 3827908), (7, 2734220), (10, 1913954), (14, 1367110), (20, 956977), (28, 683555), (35, 546844), (70, 273422), (140, 136711)]