1981908

素因数分解:

$2^2\times 3^5\times {\mathrm{2039}}^1$

素因数の和:2058

約数の個数: 36

約数和(自身を含む): 5197920

約数和(自身を除く): 3216012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 2039, 4078, 6117, 8156, 12234, 18351, 24468, 36702, 55053, 73404, 110106, 165159, 220212, 330318, 495477, 660636, 990954, 1981908]

約数ペア:

[(1, 1981908), (2, 990954), (3, 660636), (4, 495477), (6, 330318), (9, 220212), (12, 165159), (18, 110106), (27, 73404), (36, 55053), (54, 36702), (81, 24468), (108, 18351), (162, 12234), (243, 8156), (324, 6117), (486, 4078), (972, 2039)]