17901790

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 33086880

約数和(自身を除く): 15185090

約数列:

[1, 2, 5, 10, 73, 137, 146, 179, 274, 358, 365, 685, 730, 895, 1370, 1790, 10001, 13067, 20002, 24523, 26134, 49046, 50005, 65335, 100010, 122615, 130670, 245230, 1790179, 3580358, 8950895, 17901790]

約数ペア:

[(1, 17901790), (2, 8950895), (5, 3580358), (10, 1790179), (73, 245230), (137, 130670), (146, 122615), (179, 100010), (274, 65335), (358, 50005), (365, 49046), (685, 26134), (730, 24523), (895, 20002), (1370, 13067), (1790, 10001)]