19937554943

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{3319}}^1$

素因数の和:3543

約数の個数: 32

約数和(自身を含む): 21934310400

約数和(自身を除く): 1996755457

約数列:

[1, 19, 61, 71, 73, 1159, 1349, 1387, 3319, 4331, 4453, 5183, 63061, 82289, 84607, 98477, 202459, 235649, 242287, 316163, 3846721, 4477331, 4603453, 6007097, 14374589, 14779507, 17202377, 273117191, 280810633, 326845163, 1049344997, 19937554943]

約数ペア:

[(1, 19937554943), (19, 1049344997), (61, 326845163), (71, 280810633), (73, 273117191), (1159, 17202377), (1349, 14779507), (1387, 14374589), (3319, 6007097), (4331, 4603453), (4453, 4477331), (5183, 3846721), (63061, 316163), (82289, 242287), (84607, 235649), (98477, 202459)]