18942404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4093}}^1$

素因数の和:4199

約数の個数: 24

約数和(自身を含む): 36109080

約数和(自身を除く): 17166676

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4093, 4628, 8186, 16372, 53209, 106418, 212836, 364277, 728554, 1457108, 4735601, 9471202, 18942404]

約数ペア:

[(1, 18942404), (2, 9471202), (4, 4735601), (13, 1457108), (26, 728554), (52, 364277), (89, 212836), (178, 106418), (356, 53209), (1157, 16372), (2314, 8186), (4093, 4628)]