2019950401

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{811}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 2480952320

約数和(自身を除く): 461001919

約数列:

[1, 7, 19, 61, 133, 307, 427, 811, 1159, 2149, 5677, 5833, 8113, 15409, 18727, 40831, 49471, 107863, 131089, 248977, 346297, 355813, 939949, 1742839, 2490691, 4730563, 6579643, 15187597, 33113941, 106313179, 288564343, 2019950401]

約数ペア:

[(1, 2019950401), (7, 288564343), (19, 106313179), (61, 33113941), (133, 15187597), (307, 6579643), (427, 4730563), (811, 2490691), (1159, 1742839), (2149, 939949), (5677, 355813), (5833, 346297), (8113, 248977), (15409, 131089), (18727, 107863), (40831, 49471)]