18360368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:981

約数の個数: 40

約数和(自身を含む): 38726688

約数和(自身を除く): 20366320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 857, 1339, 1648, 1714, 2678, 3428, 5356, 6856, 10712, 11141, 13712, 21424, 22282, 44564, 88271, 89128, 176542, 178256, 353084, 706168, 1147523, 1412336, 2295046, 4590092, 9180184, 18360368]

約数ペア:

[(1, 18360368), (2, 9180184), (4, 4590092), (8, 2295046), (13, 1412336), (16, 1147523), (26, 706168), (52, 353084), (103, 178256), (104, 176542), (206, 89128), (208, 88271), (412, 44564), (824, 22282), (857, 21424), (1339, 13712), (1648, 11141), (1714, 10712), (2678, 6856), (3428, 5356)]