19724666

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{67}}^2$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 32536980

約数和(自身を除く): 12812314

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 1742, 2197, 4394, 4489, 8978, 11323, 22646, 58357, 116714, 147199, 294398, 758641, 1517282, 9862333, 19724666]

約数ペア:

[(1, 19724666), (2, 9862333), (13, 1517282), (26, 758641), (67, 294398), (134, 147199), (169, 116714), (338, 58357), (871, 22646), (1742, 11323), (2197, 8978), (4394, 4489)]