19388278

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 36013824

約数和(自身を除く): 16625546

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 307, 347, 614, 694, 2149, 2429, 3991, 4298, 4511, 4858, 7982, 9022, 27937, 31577, 55874, 63154, 106529, 213058, 745703, 1384877, 1491406, 2769754, 9694139, 19388278]

約数ペア:

[(1, 19388278), (2, 9694139), (7, 2769754), (13, 1491406), (14, 1384877), (26, 745703), (91, 213058), (182, 106529), (307, 63154), (347, 55874), (614, 31577), (694, 27937), (2149, 9022), (2429, 7982), (3991, 4858), (4298, 4511)]