19861367679

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{6113071}}^1$

素因数の和:6113115

約数の個数: 18

約数和(自身を含む): 30278045616

約数和(自身を除く): 10416677937

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 6113071, 18339213, 55017639, 116148349, 348445047, 1045335141, 2206818631, 6620455893, 19861367679]

約数ペア:

[(1, 19861367679), (3, 6620455893), (9, 2206818631), (19, 1045335141), (57, 348445047), (171, 116148349), (361, 55017639), (1083, 18339213), (3249, 6113071)]