18928412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1109}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 35244720

約数和(自身を除く): 16316308

約数列:

[1, 2, 4, 17, 34, 68, 251, 502, 1004, 1109, 2218, 4267, 4436, 8534, 17068, 18853, 37706, 75412, 278359, 556718, 1113436, 4732103, 9464206, 18928412]

約数ペア:

[(1, 18928412), (2, 9464206), (4, 4732103), (17, 1113436), (34, 556718), (68, 278359), (251, 75412), (502, 37706), (1004, 18853), (1109, 17068), (2218, 8534), (4267, 4436)]