18308476

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:482

約数の個数: 36

約数和(自身を含む): 34991040

約数和(自身を除く): 16682564

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 361, 409, 589, 722, 818, 1178, 1444, 1636, 2356, 7771, 11191, 12679, 15542, 22382, 25358, 31084, 44764, 50716, 147649, 240901, 295298, 481802, 590596, 963604, 4577119, 9154238, 18308476]

約数ペア:

[(1, 18308476), (2, 9154238), (4, 4577119), (19, 963604), (31, 590596), (38, 481802), (62, 295298), (76, 240901), (124, 147649), (361, 50716), (409, 44764), (589, 31084), (722, 25358), (818, 22382), (1178, 15542), (1444, 12679), (1636, 11191), (2356, 7771)]