18899689864

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{99109}}^1$

素因数の和:99334

約数の個数: 48

約数和(自身を含む): 39149441100

約数和(自身を除く): 20249751236

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 197, 242, 394, 484, 788, 968, 1576, 2167, 4334, 8668, 17336, 23837, 47674, 95348, 99109, 190696, 198218, 396436, 792872, 1090199, 2180398, 4360796, 8721592, 11992189, 19524473, 23984378, 39048946, 47968756, 78097892, 95937512, 156195784, 214769203, 429538406, 859076812, 1718153624, 2362461233, 4724922466, 9449844932, 18899689864]

約数ペア:

[(1, 18899689864), (2, 9449844932), (4, 4724922466), (8, 2362461233), (11, 1718153624), (22, 859076812), (44, 429538406), (88, 214769203), (121, 156195784), (197, 95937512), (242, 78097892), (394, 47968756), (484, 39048946), (788, 23984378), (968, 19524473), (1576, 11992189), (2167, 8721592), (4334, 4360796), (8668, 2180398), (17336, 1090199), (23837, 792872), (47674, 396436), (95348, 198218), (99109, 190696)]