18620896

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{857}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 23757440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 857, 1358, 1552, 1714, 2716, 3104, 3428, 5432, 5999, 6856, 10864, 11998, 13712, 21728, 23996, 27424, 47992, 83129, 95984, 166258, 191968, 332516, 581903, 665032, 1163806, 1330064, 2327612, 2660128, 4655224, 9310448, 18620896]

約数ペア:

[(1, 18620896), (2, 9310448), (4, 4655224), (7, 2660128), (8, 2327612), (14, 1330064), (16, 1163806), (28, 665032), (32, 581903), (56, 332516), (97, 191968), (112, 166258), (194, 95984), (224, 83129), (388, 47992), (679, 27424), (776, 23996), (857, 21728), (1358, 13712), (1552, 11998), (1714, 10864), (2716, 6856), (3104, 5999), (3428, 5432)]