19651852

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2182

約数の個数: 36

約数和(自身を含む): 39809560

約数和(自身を除く): 20157708

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2137, 2299, 4274, 4598, 8548, 9196, 23507, 40603, 47014, 81206, 94028, 162412, 258577, 446633, 517154, 893266, 1034308, 1786532, 4912963, 9825926, 19651852]

約数ペア:

[(1, 19651852), (2, 9825926), (4, 4912963), (11, 1786532), (19, 1034308), (22, 893266), (38, 517154), (44, 446633), (76, 258577), (121, 162412), (209, 94028), (242, 81206), (418, 47014), (484, 40603), (836, 23507), (2137, 9196), (2299, 8548), (4274, 4598)]