19686312

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3851}}^1$

素因数の和:3934

約数の個数: 48

約数和(自身を含む): 54082080

約数和(自身を除く): 34395768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 3851, 5112, 7702, 11553, 15404, 23106, 30808, 34659, 46212, 69318, 92424, 138636, 273421, 277272, 546842, 820263, 1093684, 1640526, 2187368, 2460789, 3281052, 4921578, 6562104, 9843156, 19686312]

約数ペア:

[(1, 19686312), (2, 9843156), (3, 6562104), (4, 4921578), (6, 3281052), (8, 2460789), (9, 2187368), (12, 1640526), (18, 1093684), (24, 820263), (36, 546842), (71, 277272), (72, 273421), (142, 138636), (213, 92424), (284, 69318), (426, 46212), (568, 34659), (639, 30808), (852, 23106), (1278, 15404), (1704, 11553), (2556, 7702), (3851, 5112)]