19845690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 51546240

約数和(自身を除く): 31700550

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 37, 38, 57, 74, 95, 111, 114, 185, 190, 222, 285, 370, 555, 570, 703, 941, 1110, 1406, 1882, 2109, 2823, 3515, 4218, 4705, 5646, 7030, 9410, 10545, 14115, 17879, 21090, 28230, 34817, 35758, 53637, 69634, 89395, 104451, 107274, 174085, 178790, 208902, 268185, 348170, 522255, 536370, 661523, 1044510, 1323046, 1984569, 3307615, 3969138, 6615230, 9922845, 19845690]

約数ペア:

[(1, 19845690), (2, 9922845), (3, 6615230), (5, 3969138), (6, 3307615), (10, 1984569), (15, 1323046), (19, 1044510), (30, 661523), (37, 536370), (38, 522255), (57, 348170), (74, 268185), (95, 208902), (111, 178790), (114, 174085), (185, 107274), (190, 104451), (222, 89395), (285, 69634), (370, 53637), (555, 35758), (570, 34817), (703, 28230), (941, 21090), (1110, 17879), (1406, 14115), (1882, 10545), (2109, 9410), (2823, 7030), (3515, 5646), (4218, 4705)]