19613913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3989}}^1$

素因数の和:4152

約数の個数: 16

約数和(自身を含む): 28728000

約数和(自身を除く): 9114087

約数列:

[1, 3, 11, 33, 149, 447, 1639, 3989, 4917, 11967, 43879, 131637, 594361, 1783083, 6537971, 19613913]

約数ペア:

[(1, 19613913), (3, 6537971), (11, 1783083), (33, 594361), (149, 131637), (447, 43879), (1639, 11967), (3989, 4917)]