17780428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1307}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 32961600

約数和(自身を除く): 15181172

約数列:

[1, 2, 4, 19, 38, 76, 179, 358, 716, 1307, 2614, 3401, 5228, 6802, 13604, 24833, 49666, 99332, 233953, 467906, 935812, 4445107, 8890214, 17780428]

約数ペア:

[(1, 17780428), (2, 8890214), (4, 4445107), (19, 935812), (38, 467906), (76, 233953), (179, 99332), (358, 49666), (716, 24833), (1307, 13604), (2614, 6802), (3401, 5228)]