19418818

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:801

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 10216382

約数列:

[1, 2, 97, 194, 199, 398, 503, 1006, 19303, 38606, 48791, 97582, 100097, 200194, 9709409, 19418818]

約数ペア:

[(1, 19418818), (2, 9709409), (97, 200194), (194, 100097), (199, 97582), (398, 48791), (503, 38606), (1006, 19303)]