19678936

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 38433600

約数和(自身を除く): 18754664

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 271, 313, 542, 626, 1084, 1252, 2168, 2504, 7859, 9077, 15718, 18154, 31436, 36308, 62872, 72616, 84823, 169646, 339292, 678584, 2459867, 4919734, 9839468, 19678936]

約数ペア:

[(1, 19678936), (2, 9839468), (4, 4919734), (8, 2459867), (29, 678584), (58, 339292), (116, 169646), (232, 84823), (271, 72616), (313, 62872), (542, 36308), (626, 31436), (1084, 18154), (1252, 15718), (2168, 9077), (2504, 7859)]