19959132721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{4919}}^1$

素因数の和:5197

約数の個数: 32

約数和(自身を含む): 22928302080

約数和(自身を除く): 2969169359

約数列:

[1, 11, 31, 73, 163, 341, 803, 1793, 2263, 4919, 5053, 11899, 24893, 54109, 55583, 130889, 152489, 359087, 368869, 801797, 1677379, 3949957, 4057559, 8819767, 11131697, 24855707, 58531181, 122448667, 273412777, 643842991, 1814466611, 19959132721]

約数ペア:

[(1, 19959132721), (11, 1814466611), (31, 643842991), (73, 273412777), (163, 122448667), (341, 58531181), (803, 24855707), (1793, 11131697), (2263, 8819767), (4919, 4057559), (5053, 3949957), (11899, 1677379), (24893, 801797), (54109, 368869), (55583, 359087), (130889, 152489)]