18895644

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1069}}^1$

素因数の和:1570

約数の個数: 36

約数和(自身を含む): 47906040

約数和(自身を除く): 29010396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1069, 1473, 1964, 2138, 2946, 3207, 4276, 4419, 5892, 6414, 8838, 9621, 12828, 17676, 19242, 38484, 524879, 1049758, 1574637, 2099516, 3149274, 4723911, 6298548, 9447822, 18895644]

約数ペア:

[(1, 18895644), (2, 9447822), (3, 6298548), (4, 4723911), (6, 3149274), (9, 2099516), (12, 1574637), (18, 1049758), (36, 524879), (491, 38484), (982, 19242), (1069, 17676), (1473, 12828), (1964, 9621), (2138, 8838), (2946, 6414), (3207, 5892), (4276, 4419)]