18928897

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 21083328

約数和(自身を除く): 2154431

約数列:

[1, 13, 53, 83, 331, 689, 1079, 4303, 4399, 17543, 27473, 57187, 228059, 357149, 1456069, 18928897]

約数ペア:

[(1, 18928897), (13, 1456069), (53, 357149), (83, 228059), (331, 57187), (689, 27473), (1079, 17543), (4303, 4399)]