19656904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2273}}^1$

素因数の和:2349

約数の個数: 32

約数和(自身を含む): 39294720

約数和(自身を除く): 19637816

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2162, 2273, 4324, 4546, 8648, 9092, 18184, 52279, 104558, 106831, 209116, 213662, 418232, 427324, 854648, 2457113, 4914226, 9828452, 19656904]

約数ペア:

[(1, 19656904), (2, 9828452), (4, 4914226), (8, 2457113), (23, 854648), (46, 427324), (47, 418232), (92, 213662), (94, 209116), (184, 106831), (188, 104558), (376, 52279), (1081, 18184), (2162, 9092), (2273, 8648), (4324, 4546)]