27838420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73259}}^1$

素因数の和:73287

約数の個数: 24

約数和(自身を含む): 61538400

約数和(自身を除く): 33699980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 73259, 146518, 293036, 366295, 732590, 1391921, 1465180, 2783842, 5567684, 6959605, 13919210, 27838420]

約数ペア:

[(1, 27838420), (2, 13919210), (4, 6959605), (5, 5567684), (10, 2783842), (19, 1465180), (20, 1391921), (38, 732590), (76, 366295), (95, 293036), (190, 146518), (380, 73259)]