19193155

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 25380864

約数和(自身を除く): 6187709

約数列:

[1, 5, 23, 47, 53, 67, 115, 235, 265, 335, 1081, 1219, 1541, 2491, 3149, 3551, 5405, 6095, 7705, 12455, 15745, 17755, 57293, 72427, 81673, 166897, 286465, 362135, 408365, 834485, 3838631, 19193155]

約数ペア:

[(1, 19193155), (5, 3838631), (23, 834485), (47, 408365), (53, 362135), (67, 286465), (115, 166897), (235, 81673), (265, 72427), (335, 57293), (1081, 17755), (1219, 15745), (1541, 12455), (2491, 7705), (3149, 6095), (3551, 5405)]