19028890797

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{127643}}^1$

素因数の和:127913

約数の個数: 32

約数和(自身を含む): 30062714880

約数和(自身を除く): 11033824083

約数列:

[1, 3, 7, 21, 31, 93, 217, 229, 651, 687, 1603, 4809, 7099, 21297, 49693, 127643, 149079, 382929, 893501, 2680503, 3956933, 11870799, 27698531, 29230247, 83095593, 87690741, 204611729, 613835187, 906137657, 2718412971, 6342963599, 19028890797]

約数ペア:

[(1, 19028890797), (3, 6342963599), (7, 2718412971), (21, 906137657), (31, 613835187), (93, 204611729), (217, 87690741), (229, 83095593), (651, 29230247), (687, 27698531), (1603, 11870799), (4809, 3956933), (7099, 2680503), (21297, 893501), (49693, 382929), (127643, 149079)]