18829928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{547}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 38206560

約数和(自身を除く): 19376632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 331, 547, 662, 1094, 1324, 2188, 2648, 4303, 4376, 7111, 8606, 14222, 17212, 28444, 34424, 56888, 181057, 362114, 724228, 1448456, 2353741, 4707482, 9414964, 18829928]

約数ペア:

[(1, 18829928), (2, 9414964), (4, 4707482), (8, 2353741), (13, 1448456), (26, 724228), (52, 362114), (104, 181057), (331, 56888), (547, 34424), (662, 28444), (1094, 17212), (1324, 14222), (2188, 8606), (2648, 7111), (4303, 4376)]