19507585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 26749440

約数和(自身を除く): 7241855

約数列:

[1, 5, 17, 19, 47, 85, 95, 235, 257, 323, 799, 893, 1285, 1615, 3995, 4369, 4465, 4883, 12079, 15181, 21845, 24415, 60395, 75905, 83011, 205343, 229501, 415055, 1026715, 1147505, 3901517, 19507585]

約数ペア:

[(1, 19507585), (5, 3901517), (17, 1147505), (19, 1026715), (47, 415055), (85, 229501), (95, 205343), (235, 83011), (257, 75905), (323, 60395), (799, 24415), (893, 21845), (1285, 15181), (1615, 12079), (3995, 4883), (4369, 4465)]