19115902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 32788224

約数和(自身を除く): 13672322

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 403, 481, 641, 806, 962, 1147, 1282, 2294, 8333, 14911, 16666, 19871, 23717, 29822, 39742, 47434, 258323, 308321, 516646, 616642, 735227, 1470454, 9557951, 19115902]

約数ペア:

[(1, 19115902), (2, 9557951), (13, 1470454), (26, 735227), (31, 616642), (37, 516646), (62, 308321), (74, 258323), (403, 47434), (481, 39742), (641, 29822), (806, 23717), (962, 19871), (1147, 16666), (1282, 14911), (2294, 8333)]