19712330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179203}}^1$

素因数の和:179221

約数の個数: 16

約数和(自身を含む): 38708064

約数和(自身を除く): 18995734

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179203, 358406, 896015, 1792030, 1971233, 3942466, 9856165, 19712330]

約数ペア:

[(1, 19712330), (2, 9856165), (5, 3942466), (10, 1971233), (11, 1792030), (22, 896015), (55, 358406), (110, 179203)]