19661516

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13249}}^1$

素因数の和:13313

約数の個数: 24

約数和(自身を含む): 40068000

約数和(自身を除く): 20406484

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13249, 26498, 52996, 92743, 185486, 370972, 702197, 1404394, 2808788, 4915379, 9830758, 19661516]

約数ペア:

[(1, 19661516), (2, 9830758), (4, 4915379), (7, 2808788), (14, 1404394), (28, 702197), (53, 370972), (106, 185486), (212, 92743), (371, 52996), (742, 26498), (1484, 13249)]