19646235

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 39776256

約数和(自身を除く): 20130021

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1327, 1645, 2115, 2961, 3981, 4935, 6635, 9289, 11943, 14805, 19905, 27867, 46445, 59715, 62369, 83601, 139335, 187107, 311845, 418005, 436583, 561321, 935535, 1309749, 2182915, 2806605, 3929247, 6548745, 19646235]

約数ペア:

[(1, 19646235), (3, 6548745), (5, 3929247), (7, 2806605), (9, 2182915), (15, 1309749), (21, 935535), (35, 561321), (45, 436583), (47, 418005), (63, 311845), (105, 187107), (141, 139335), (235, 83601), (315, 62369), (329, 59715), (423, 46445), (705, 27867), (987, 19905), (1327, 14805), (1645, 11943), (2115, 9289), (2961, 6635), (3981, 4935)]