19717900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8573}}^1$

素因数の和:8610

約数の個数: 36

約数和(自身を含む): 44653392

約数和(自身を除く): 24935492

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8573, 17146, 34292, 42865, 85730, 171460, 197179, 214325, 394358, 428650, 788716, 857300, 985895, 1971790, 3943580, 4929475, 9858950, 19717900]

約数ペア:

[(1, 19717900), (2, 9858950), (4, 4929475), (5, 3943580), (10, 1971790), (20, 985895), (23, 857300), (25, 788716), (46, 428650), (50, 394358), (92, 214325), (100, 197179), (115, 171460), (230, 85730), (460, 42865), (575, 34292), (1150, 17146), (2300, 8573)]