19741358

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3499}}^1$

素因数の和:3552

約数の個数: 32

約数和(自身を含む): 37632000

約数和(自身を除く): 17890642

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3499, 5642, 6998, 24493, 45487, 48986, 90974, 108469, 216938, 318409, 636818, 759283, 1410097, 1518566, 2820194, 9870679, 19741358]

約数ペア:

[(1, 19741358), (2, 9870679), (7, 2820194), (13, 1518566), (14, 1410097), (26, 759283), (31, 636818), (62, 318409), (91, 216938), (182, 108469), (217, 90974), (403, 48986), (434, 45487), (806, 24493), (2821, 6998), (3499, 5642)]