31991418

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{12973}}^1$

素因数の和:13118

約数の個数: 24

約数和(自身を含む): 69826068

約数和(自身を除く): 37834650

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 12973, 25946, 38919, 77838, 116757, 233514, 1777301, 3554602, 5331903, 10663806, 15995709, 31991418]

約数ペア:

[(1, 31991418), (2, 15995709), (3, 10663806), (6, 5331903), (9, 3554602), (18, 1777301), (137, 233514), (274, 116757), (411, 77838), (822, 38919), (1233, 25946), (2466, 12973)]