19100757

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 29232000

約数和(自身を除く): 10131243

約数列:

[1, 3, 13, 19, 39, 57, 149, 173, 247, 447, 519, 741, 1937, 2249, 2831, 3287, 5811, 6747, 8493, 9861, 25777, 36803, 42731, 77331, 110409, 128193, 335101, 489763, 1005303, 1469289, 6366919, 19100757]

約数ペア:

[(1, 19100757), (3, 6366919), (13, 1469289), (19, 1005303), (39, 489763), (57, 335101), (149, 128193), (173, 110409), (247, 77331), (447, 42731), (519, 36803), (741, 25777), (1937, 9861), (2249, 8493), (2831, 6747), (3287, 5811)]