19649591

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 24

約数和(自身を含む): 23042880

約数和(自身を除く): 3393289

約数列:

[1, 13, 19, 53, 79, 247, 361, 689, 1007, 1027, 1501, 4187, 4693, 13091, 19133, 19513, 28519, 54431, 79553, 248729, 370747, 1034189, 1511507, 19649591]

約数ペア:

[(1, 19649591), (13, 1511507), (19, 1034189), (53, 370747), (79, 248729), (247, 79553), (361, 54431), (689, 28519), (1007, 19513), (1027, 19133), (1501, 13091), (4187, 4693)]