19803802664

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1\times {\mathrm{1061}}^1$

素因数の和:2202

約数の個数: 64

約数和(自身を含む): 38929351680

約数和(自身を除く): 19125549016

約数列:

[1, 2, 4, 8, 31, 62, 73, 124, 146, 248, 292, 584, 1031, 1061, 2062, 2122, 2263, 4124, 4244, 4526, 8248, 8488, 9052, 18104, 31961, 32891, 63922, 65782, 75263, 77453, 127844, 131564, 150526, 154906, 255688, 263128, 301052, 309812, 602104, 619624, 1093891, 2187782, 2333153, 2401043, 4375564, 4666306, 4802086, 8751128, 9332612, 9604172, 18665224, 19208344, 33910621, 67821242, 79854043, 135642484, 159708086, 271284968, 319416172, 638832344, 2475475333, 4950950666, 9901901332, 19803802664]

約数ペア:

[(1, 19803802664), (2, 9901901332), (4, 4950950666), (8, 2475475333), (31, 638832344), (62, 319416172), (73, 271284968), (124, 159708086), (146, 135642484), (248, 79854043), (292, 67821242), (584, 33910621), (1031, 19208344), (1061, 18665224), (2062, 9604172), (2122, 9332612), (2263, 8751128), (4124, 4802086), (4244, 4666306), (4526, 4375564), (8248, 2401043), (8488, 2333153), (9052, 2187782), (18104, 1093891), (31961, 619624), (32891, 602104), (63922, 309812), (65782, 301052), (75263, 263128), (77453, 255688), (127844, 154906), (131564, 150526)]