20180726816

素因数分解:

$2^5\times {\mathrm{3947}}^1\times {\mathrm{159779}}^1$

素因数の和:163736

約数の個数: 24

約数和(自身を含む): 39741120720

約数和(自身を除く): 19560393904

約数列:

[1, 2, 4, 8, 16, 32, 3947, 7894, 15788, 31576, 63152, 126304, 159779, 319558, 639116, 1278232, 2556464, 5112928, 630647713, 1261295426, 2522590852, 5045181704, 10090363408, 20180726816]

約数ペア:

[(1, 20180726816), (2, 10090363408), (4, 5045181704), (8, 2522590852), (16, 1261295426), (32, 630647713), (3947, 5112928), (7894, 2556464), (15788, 1278232), (31576, 639116), (63152, 319558), (126304, 159779)]