19801652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1933}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 37527336

約数和(自身を除く): 17725684

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 1933, 2561, 3866, 5122, 7732, 10244, 25129, 50258, 100516, 380801, 761602, 1523204, 4950413, 9900826, 19801652]

約数ペア:

[(1, 19801652), (2, 9900826), (4, 4950413), (13, 1523204), (26, 761602), (52, 380801), (197, 100516), (394, 50258), (788, 25129), (1933, 10244), (2561, 7732), (3866, 5122)]