19772862

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 40791168

約数和(自身を除く): 21018306

約数列:

[1, 2, 3, 6, 43, 86, 129, 173, 258, 346, 443, 519, 886, 1038, 1329, 2658, 7439, 14878, 19049, 22317, 38098, 44634, 57147, 76639, 114294, 153278, 229917, 459834, 3295477, 6590954, 9886431, 19772862]

約数ペア:

[(1, 19772862), (2, 9886431), (3, 6590954), (6, 3295477), (43, 459834), (86, 229917), (129, 153278), (173, 114294), (258, 76639), (346, 57147), (443, 44634), (519, 38098), (886, 22317), (1038, 19049), (1329, 14878), (2658, 7439)]