18312800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2081}}^1$

素因数の和:2112

約数の個数: 72

約数和(自身を含む): 48793752

約数和(自身を除く): 30480952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2081, 2200, 4162, 4400, 8324, 8800, 10405, 16648, 20810, 22891, 33296, 41620, 45782, 52025, 66592, 83240, 91564, 104050, 114455, 166480, 183128, 208100, 228910, 332960, 366256, 416200, 457820, 572275, 732512, 832400, 915640, 1144550, 1664800, 1831280, 2289100, 3662560, 4578200, 9156400, 18312800]

約数ペア:

[(1, 18312800), (2, 9156400), (4, 4578200), (5, 3662560), (8, 2289100), (10, 1831280), (11, 1664800), (16, 1144550), (20, 915640), (22, 832400), (25, 732512), (32, 572275), (40, 457820), (44, 416200), (50, 366256), (55, 332960), (80, 228910), (88, 208100), (100, 183128), (110, 166480), (160, 114455), (176, 104050), (200, 91564), (220, 83240), (275, 66592), (352, 52025), (400, 45782), (440, 41620), (550, 33296), (800, 22891), (880, 20810), (1100, 16648), (1760, 10405), (2081, 8800), (2200, 8324), (4162, 4400)]