15957188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 32739840

約数和(自身を除く): 16782652

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 521, 589, 806, 988, 1042, 1178, 1612, 2084, 2356, 6773, 7657, 9899, 13546, 15314, 16151, 19798, 27092, 30628, 32302, 39596, 64604, 128687, 209963, 257374, 306869, 419926, 514748, 613738, 839852, 1227476, 3989297, 7978594, 15957188]

約数ペア:

[(1, 15957188), (2, 7978594), (4, 3989297), (13, 1227476), (19, 839852), (26, 613738), (31, 514748), (38, 419926), (52, 306869), (62, 257374), (76, 209963), (124, 128687), (247, 64604), (403, 39596), (494, 32302), (521, 30628), (589, 27092), (806, 19798), (988, 16151), (1042, 15314), (1178, 13546), (1612, 9899), (2084, 7657), (2356, 6773)]