19155895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 8422985

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 797, 1045, 1265, 2185, 3985, 4807, 8767, 15143, 18331, 24035, 43835, 75715, 91655, 166573, 201641, 348289, 832865, 1008205, 1741445, 3831179, 19155895]

約数ペア:

[(1, 19155895), (5, 3831179), (11, 1741445), (19, 1008205), (23, 832865), (55, 348289), (95, 201641), (115, 166573), (209, 91655), (253, 75715), (437, 43835), (797, 24035), (1045, 18331), (1265, 15143), (2185, 8767), (3985, 4807)]