19785315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 34854912

約数和(自身を除く): 15069597

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 991, 1331, 1815, 2973, 3993, 4955, 6655, 10901, 14865, 19965, 32703, 54505, 119911, 163515, 359733, 599555, 1319021, 1798665, 3957063, 6595105, 19785315]

約数ペア:

[(1, 19785315), (3, 6595105), (5, 3957063), (11, 1798665), (15, 1319021), (33, 599555), (55, 359733), (121, 163515), (165, 119911), (363, 54505), (605, 32703), (991, 19965), (1331, 14865), (1815, 10901), (2973, 6655), (3993, 4955)]