18903898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2302

約数の個数: 32

約数和(自身を含む): 34050240

約数和(自身を除く): 15146342

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2251, 4199, 4502, 8398, 29263, 38267, 42769, 58526, 76534, 85538, 497471, 555997, 727073, 994942, 1111994, 1454146, 9451949, 18903898]

約数ペア:

[(1, 18903898), (2, 9451949), (13, 1454146), (17, 1111994), (19, 994942), (26, 727073), (34, 555997), (38, 497471), (221, 85538), (247, 76534), (323, 58526), (442, 42769), (494, 38267), (646, 29263), (2251, 8398), (4199, 4502)]