18917122

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 34404480

約数和(自身を除く): 15487358

約数列:

[1, 2, 7, 14, 19, 38, 133, 197, 266, 361, 394, 722, 1379, 2527, 2758, 3743, 5054, 6859, 7486, 13718, 26201, 48013, 52402, 71117, 96026, 142234, 497819, 995638, 1351223, 2702446, 9458561, 18917122]

約数ペア:

[(1, 18917122), (2, 9458561), (7, 2702446), (14, 1351223), (19, 995638), (38, 497819), (133, 142234), (197, 96026), (266, 71117), (361, 52402), (394, 48013), (722, 26201), (1379, 13718), (2527, 7486), (2758, 6859), (3743, 5054)]