18156937149

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{281647}}^1$

素因数の和:281714

約数の個数: 48

約数和(自身を含む): 30755961600

約数和(自身を除く): 12599024451

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 87, 117, 171, 247, 261, 377, 551, 741, 1131, 1653, 2223, 3393, 4959, 7163, 21489, 64467, 281647, 844941, 2534823, 3661411, 5351293, 8167763, 10984233, 16053879, 24503289, 32952699, 48161637, 69566809, 73509867, 106180919, 155187497, 208700427, 318542757, 465562491, 626101281, 955628271, 1396687473, 2017437461, 6052312383, 18156937149]

約数ペア:

[(1, 18156937149), (3, 6052312383), (9, 2017437461), (13, 1396687473), (19, 955628271), (29, 626101281), (39, 465562491), (57, 318542757), (87, 208700427), (117, 155187497), (171, 106180919), (247, 73509867), (261, 69566809), (377, 48161637), (551, 32952699), (741, 24503289), (1131, 16053879), (1653, 10984233), (2223, 8167763), (3393, 5351293), (4959, 3661411), (7163, 2534823), (21489, 844941), (64467, 281647)]