19270205

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 25498368

約数和(自身を除く): 6228163

約数列:

[1, 5, 23, 41, 61, 67, 115, 205, 305, 335, 943, 1403, 1541, 2501, 2747, 4087, 4715, 7015, 7705, 12505, 13735, 20435, 57523, 63181, 94001, 167567, 287615, 315905, 470005, 837835, 3854041, 19270205]

約数ペア:

[(1, 19270205), (5, 3854041), (23, 837835), (41, 470005), (61, 315905), (67, 287615), (115, 167567), (205, 94001), (305, 63181), (335, 57523), (943, 20435), (1403, 13735), (1541, 12505), (2501, 7705), (2747, 7015), (4087, 4715)]