19894836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1747}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 50705984

約数和(自身を除く): 30811148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 219, 292, 438, 876, 949, 1747, 1898, 2847, 3494, 3796, 5241, 5694, 6988, 10482, 11388, 20964, 22711, 45422, 68133, 90844, 127531, 136266, 255062, 272532, 382593, 510124, 765186, 1530372, 1657903, 3315806, 4973709, 6631612, 9947418, 19894836]

約数ペア:

[(1, 19894836), (2, 9947418), (3, 6631612), (4, 4973709), (6, 3315806), (12, 1657903), (13, 1530372), (26, 765186), (39, 510124), (52, 382593), (73, 272532), (78, 255062), (146, 136266), (156, 127531), (219, 90844), (292, 68133), (438, 45422), (876, 22711), (949, 20964), (1747, 11388), (1898, 10482), (2847, 6988), (3494, 5694), (3796, 5241)]