19981674

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{7873}}^1$

素因数の和:7931

約数の個数: 32

約数和(自身を含む): 45354240

約数和(自身を除く): 25372566

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 7873, 15746, 23619, 47238, 70857, 141714, 212571, 370031, 425142, 740062, 1110093, 2220186, 3330279, 6660558, 9990837, 19981674]

約数ペア:

[(1, 19981674), (2, 9990837), (3, 6660558), (6, 3330279), (9, 2220186), (18, 1110093), (27, 740062), (47, 425142), (54, 370031), (94, 212571), (141, 141714), (282, 70857), (423, 47238), (846, 23619), (1269, 15746), (2538, 7873)]