18902776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1061}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 37849680

約数和(自身を除く): 18946904

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 262, 524, 1048, 1061, 2122, 2227, 4244, 4454, 8488, 8908, 17816, 18037, 36074, 72148, 138991, 144296, 277982, 555964, 1111928, 2362847, 4725694, 9451388, 18902776]

約数ペア:

[(1, 18902776), (2, 9451388), (4, 4725694), (8, 2362847), (17, 1111928), (34, 555964), (68, 277982), (131, 144296), (136, 138991), (262, 72148), (524, 36074), (1048, 18037), (1061, 17816), (2122, 8908), (2227, 8488), (4244, 4454)]