19898500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2341}}^1$

素因数の和:2377

約数の個数: 48

約数和(自身を含む): 46034352

約数和(自身を除く): 26135852

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2341, 4250, 4682, 8500, 9364, 11705, 23410, 39797, 46820, 58525, 79594, 117050, 159188, 198985, 234100, 292625, 397970, 585250, 795940, 994925, 1170500, 1989850, 3979700, 4974625, 9949250, 19898500]

約数ペア:

[(1, 19898500), (2, 9949250), (4, 4974625), (5, 3979700), (10, 1989850), (17, 1170500), (20, 994925), (25, 795940), (34, 585250), (50, 397970), (68, 292625), (85, 234100), (100, 198985), (125, 159188), (170, 117050), (250, 79594), (340, 58525), (425, 46820), (500, 39797), (850, 23410), (1700, 11705), (2125, 9364), (2341, 8500), (4250, 4682)]