19517409

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 11275551

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 593, 621, 1219, 1431, 1779, 3657, 5337, 10971, 13639, 16011, 31429, 32913, 40917, 94287, 122751, 282861, 368253, 722867, 848583, 2168601, 6505803, 19517409]

約数ペア:

[(1, 19517409), (3, 6505803), (9, 2168601), (23, 848583), (27, 722867), (53, 368253), (69, 282861), (159, 122751), (207, 94287), (477, 40917), (593, 32913), (621, 31429), (1219, 16011), (1431, 13639), (1779, 10971), (3657, 5337)]