18449901001

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1\times {\mathrm{733}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 21858402560

約数和(自身を除く): 3408501559

約数列:

[1, 7, 37, 157, 259, 619, 733, 1099, 4333, 5131, 5809, 22903, 27121, 40663, 97183, 115081, 160321, 189847, 453727, 680281, 805567, 3176089, 3595771, 4257997, 16787899, 25170397, 29805979, 71235139, 117515293, 498645973, 2635700143, 18449901001]

約数ペア:

[(1, 18449901001), (7, 2635700143), (37, 498645973), (157, 117515293), (259, 71235139), (619, 29805979), (733, 25170397), (1099, 16787899), (4333, 4257997), (5131, 3595771), (5809, 3176089), (22903, 805567), (27121, 680281), (40663, 453727), (97183, 189847), (115081, 160321)]