20189996138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{109387}}^1$

素因数の和:109662

約数の個数: 32

約数和(自身を含む): 33814018560

約数和(自身を除く): 13624022422

約数列:

[1, 2, 13, 26, 31, 62, 229, 403, 458, 806, 2977, 5954, 7099, 14198, 92287, 109387, 184574, 218774, 1422031, 2844062, 3390997, 6781994, 25049623, 44082961, 50099246, 88165922, 325645099, 651290198, 776538313, 1553076626, 10094998069, 20189996138]

約数ペア:

[(1, 20189996138), (2, 10094998069), (13, 1553076626), (26, 776538313), (31, 651290198), (62, 325645099), (229, 88165922), (403, 50099246), (458, 44082961), (806, 25049623), (2977, 6781994), (5954, 3390997), (7099, 2844062), (14198, 1422031), (92287, 218774), (109387, 184574)]