15836180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 35997696

約数和(自身を除く): 20161516

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 991, 1598, 1982, 3196, 3964, 3995, 4955, 7990, 9910, 15980, 16847, 19820, 33694, 46577, 67388, 84235, 93154, 168470, 186308, 232885, 336940, 465770, 791809, 931540, 1583618, 3167236, 3959045, 7918090, 15836180]

約数ペア:

[(1, 15836180), (2, 7918090), (4, 3959045), (5, 3167236), (10, 1583618), (17, 931540), (20, 791809), (34, 465770), (47, 336940), (68, 232885), (85, 186308), (94, 168470), (170, 93154), (188, 84235), (235, 67388), (340, 46577), (470, 33694), (799, 19820), (940, 16847), (991, 15980), (1598, 9910), (1982, 7990), (3196, 4955), (3964, 3995)]