18677896

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 36423000

約数和(自身を除く): 17745104

約数列:

[1, 2, 4, 8, 37, 74, 89, 148, 178, 296, 356, 709, 712, 1418, 2836, 3293, 5672, 6586, 13172, 26233, 26344, 52466, 63101, 104932, 126202, 209864, 252404, 504808, 2334737, 4669474, 9338948, 18677896]

約数ペア:

[(1, 18677896), (2, 9338948), (4, 4669474), (8, 2334737), (37, 504808), (74, 252404), (89, 209864), (148, 126202), (178, 104932), (296, 63101), (356, 52466), (709, 26344), (712, 26233), (1418, 13172), (2836, 6586), (3293, 5672)]