19969605

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2791}}^1$

素因数の和:2858

約数の個数: 32

約数和(自身を含む): 36184320

約数和(自身を除く): 16214715

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 2791, 7155, 8373, 13955, 25119, 41865, 75357, 125595, 147923, 376785, 443769, 739615, 1331307, 2218845, 3993921, 6656535, 19969605]

約数ペア:

[(1, 19969605), (3, 6656535), (5, 3993921), (9, 2218845), (15, 1331307), (27, 739615), (45, 443769), (53, 376785), (135, 147923), (159, 125595), (265, 75357), (477, 41865), (795, 25119), (1431, 13955), (2385, 8373), (2791, 7155)]