18882972

素因数分解:

$2^2\times 3^2\times {\mathrm{431}}^1\times {\mathrm{1217}}^1$

素因数の和:1658

約数の個数: 36

約数和(自身を含む): 47882016

約数和(自身を除く): 28999044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 862, 1217, 1293, 1724, 2434, 2586, 3651, 3879, 4868, 5172, 7302, 7758, 10953, 14604, 15516, 21906, 43812, 524527, 1049054, 1573581, 2098108, 3147162, 4720743, 6294324, 9441486, 18882972]

約数ペア:

[(1, 18882972), (2, 9441486), (3, 6294324), (4, 4720743), (6, 3147162), (9, 2098108), (12, 1573581), (18, 1049054), (36, 524527), (431, 43812), (862, 21906), (1217, 15516), (1293, 14604), (1724, 10953), (2434, 7758), (2586, 7302), (3651, 5172), (3879, 4868)]