20131077618

素因数分解:

$2^1\times 3^2\times {\mathrm{647}}^1\times {\mathrm{1728583}}^1$

素因数の和:1729238

約数の個数: 24

約数和(自身を含む): 43684774848

約数和(自身を除く): 23553697230

約数列:

[1, 2, 3, 6, 9, 18, 647, 1294, 1941, 3882, 5823, 11646, 1728583, 3457166, 5185749, 10371498, 15557247, 31114494, 1118393201, 2236786402, 3355179603, 6710359206, 10065538809, 20131077618]

約数ペア:

[(1, 20131077618), (2, 10065538809), (3, 6710359206), (6, 3355179603), (9, 2236786402), (18, 1118393201), (647, 31114494), (1294, 15557247), (1941, 10371498), (3882, 5185749), (5823, 3457166), (11646, 1728583)]