19754370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2131}}^1$

素因数の和:2247

約数の個数: 48

約数和(自身を含む): 51884352

約数和(自身を除く): 32129982

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 206, 309, 515, 618, 927, 1030, 1545, 1854, 2131, 3090, 4262, 4635, 6393, 9270, 10655, 12786, 19179, 21310, 31965, 38358, 63930, 95895, 191790, 219493, 438986, 658479, 1097465, 1316958, 1975437, 2194930, 3292395, 3950874, 6584790, 9877185, 19754370]

約数ペア:

[(1, 19754370), (2, 9877185), (3, 6584790), (5, 3950874), (6, 3292395), (9, 2194930), (10, 1975437), (15, 1316958), (18, 1097465), (30, 658479), (45, 438986), (90, 219493), (103, 191790), (206, 95895), (309, 63930), (515, 38358), (618, 31965), (927, 21310), (1030, 19179), (1545, 12786), (1854, 10655), (2131, 9270), (3090, 6393), (4262, 4635)]