18780050168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{743}}^1\times {\mathrm{823}}^1$

素因数の和:1932

約数の個数: 64

約数和(自身を含む): 38622528000

約数和(自身を除く): 19842477832

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 349, 698, 743, 823, 1396, 1486, 1646, 2792, 2972, 3292, 3839, 5944, 6584, 7678, 8173, 9053, 15356, 16346, 18106, 30712, 32692, 36212, 65384, 72424, 259307, 287227, 518614, 574454, 611489, 1037228, 1148908, 1222978, 2074456, 2297816, 2445956, 2852377, 3159497, 4891912, 5704754, 6318994, 6726379, 11409508, 12637988, 13452758, 22819016, 25275976, 26905516, 53811032, 213409661, 426819322, 853638644, 1707277288, 2347506271, 4695012542, 9390025084, 18780050168]

約数ペア:

[(1, 18780050168), (2, 9390025084), (4, 4695012542), (8, 2347506271), (11, 1707277288), (22, 853638644), (44, 426819322), (88, 213409661), (349, 53811032), (698, 26905516), (743, 25275976), (823, 22819016), (1396, 13452758), (1486, 12637988), (1646, 11409508), (2792, 6726379), (2972, 6318994), (3292, 5704754), (3839, 4891912), (5944, 3159497), (6584, 2852377), (7678, 2445956), (8173, 2297816), (9053, 2074456), (15356, 1222978), (16346, 1148908), (18106, 1037228), (30712, 611489), (32692, 574454), (36212, 518614), (65384, 287227), (72424, 259307)]