2018621816

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{641}}^1\times {\mathrm{4423}}^1$

素因数の和:5159

約数の個数: 32

約数和(自身を含む): 3834280800

約数和(自身を除く): 1815658984

約数列:

[1, 2, 4, 8, 89, 178, 356, 641, 712, 1282, 2564, 4423, 5128, 8846, 17692, 35384, 57049, 114098, 228196, 393647, 456392, 787294, 1574588, 2835143, 3149176, 5670286, 11340572, 22681144, 252327727, 504655454, 1009310908, 2018621816]

約数ペア:

[(1, 2018621816), (2, 1009310908), (4, 504655454), (8, 252327727), (89, 22681144), (178, 11340572), (356, 5670286), (641, 3149176), (712, 2835143), (1282, 1574588), (2564, 787294), (4423, 456392), (5128, 393647), (8846, 228196), (17692, 114098), (35384, 57049)]