18266638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 13182962

約数列:

[1, 2, 13, 19, 26, 38, 103, 206, 247, 359, 494, 718, 1339, 1957, 2678, 3914, 4667, 6821, 9334, 13642, 25441, 36977, 50882, 73954, 88673, 177346, 480701, 702563, 961402, 1405126, 9133319, 18266638]

約数ペア:

[(1, 18266638), (2, 9133319), (13, 1405126), (19, 961402), (26, 702563), (38, 480701), (103, 177346), (206, 88673), (247, 73954), (359, 50882), (494, 36977), (718, 25441), (1339, 13642), (1957, 9334), (2678, 6821), (3914, 4667)]