19959948

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{13523}}^1$

素因数の和:13574

約数の個数: 36

約数和(自身を含む): 51688728

約数和(自身を除く): 31728780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 13523, 27046, 40569, 54092, 81138, 121707, 162276, 243414, 486828, 554443, 1108886, 1663329, 2217772, 3326658, 4989987, 6653316, 9979974, 19959948]

約数ペア:

[(1, 19959948), (2, 9979974), (3, 6653316), (4, 4989987), (6, 3326658), (9, 2217772), (12, 1663329), (18, 1108886), (36, 554443), (41, 486828), (82, 243414), (123, 162276), (164, 121707), (246, 81138), (369, 54092), (492, 40569), (738, 27046), (1476, 13523)]