19345340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138181}}^1$

素因数の和:138197

約数の個数: 24

約数和(自身を含む): 46429152

約数和(自身を除く): 27083812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138181, 276362, 552724, 690905, 967267, 1381810, 1934534, 2763620, 3869068, 4836335, 9672670, 19345340]

約数ペア:

[(1, 19345340), (2, 9672670), (4, 4836335), (5, 3869068), (7, 2763620), (10, 1934534), (14, 1381810), (20, 967267), (28, 690905), (35, 552724), (70, 276362), (140, 138181)]