19835300

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1427}}^1$

素因数の和:1580

約数の個数: 36

約数和(自身を含む): 43382640

約数和(自身を除く): 23547340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 1427, 2780, 2854, 3475, 5708, 6950, 7135, 13900, 14270, 28540, 35675, 71350, 142700, 198353, 396706, 793412, 991765, 1983530, 3967060, 4958825, 9917650, 19835300]

約数ペア:

[(1, 19835300), (2, 9917650), (4, 4958825), (5, 3967060), (10, 1983530), (20, 991765), (25, 793412), (50, 396706), (100, 198353), (139, 142700), (278, 71350), (556, 35675), (695, 28540), (1390, 14270), (1427, 13900), (2780, 7135), (2854, 6950), (3475, 5708)]