19510717060

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1\times {\mathrm{28619}}^1$

素因数の和:29100

約数の個数: 48

約数和(自身を含む): 41542502400

約数和(自身を除く): 22031785340

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 383, 445, 766, 890, 1532, 1780, 1915, 3830, 7660, 28619, 34087, 57238, 68174, 114476, 136348, 143095, 170435, 286190, 340870, 572380, 681740, 2547091, 5094182, 10188364, 10961077, 12735455, 21922154, 25470910, 43844308, 50941820, 54805385, 109610770, 219221540, 975535853, 1951071706, 3902143412, 4877679265, 9755358530, 19510717060]

約数ペア:

[(1, 19510717060), (2, 9755358530), (4, 4877679265), (5, 3902143412), (10, 1951071706), (20, 975535853), (89, 219221540), (178, 109610770), (356, 54805385), (383, 50941820), (445, 43844308), (766, 25470910), (890, 21922154), (1532, 12735455), (1780, 10961077), (1915, 10188364), (3830, 5094182), (7660, 2547091), (28619, 681740), (34087, 572380), (57238, 340870), (68174, 286190), (114476, 170435), (136348, 143095)]