18439410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:879

約数の個数: 64

約数和(自身を含む): 49019904

約数和(自身を除く): 30580494

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 110, 142, 165, 213, 330, 355, 426, 710, 781, 787, 1065, 1562, 1574, 2130, 2343, 2361, 3905, 3935, 4686, 4722, 7810, 7870, 8657, 11715, 11805, 17314, 23430, 23610, 25971, 43285, 51942, 55877, 86570, 111754, 129855, 167631, 259710, 279385, 335262, 558770, 614647, 838155, 1229294, 1676310, 1843941, 3073235, 3687882, 6146470, 9219705, 18439410]

約数ペア:

[(1, 18439410), (2, 9219705), (3, 6146470), (5, 3687882), (6, 3073235), (10, 1843941), (11, 1676310), (15, 1229294), (22, 838155), (30, 614647), (33, 558770), (55, 335262), (66, 279385), (71, 259710), (110, 167631), (142, 129855), (165, 111754), (213, 86570), (330, 55877), (355, 51942), (426, 43285), (710, 25971), (781, 23610), (787, 23430), (1065, 17314), (1562, 11805), (1574, 11715), (2130, 8657), (2343, 7870), (2361, 7810), (3905, 4722), (3935, 4686)]