18973668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2111}}^1$

素因数の和:2232

約数の個数: 48

約数和(自身を含む): 51093504

約数和(自身を除く): 32119836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2111, 2247, 2996, 4222, 4494, 6333, 8444, 8988, 12666, 14777, 25332, 29554, 44331, 59108, 88662, 177324, 225877, 451754, 677631, 903508, 1355262, 1581139, 2710524, 3162278, 4743417, 6324556, 9486834, 18973668]

約数ペア:

[(1, 18973668), (2, 9486834), (3, 6324556), (4, 4743417), (6, 3162278), (7, 2710524), (12, 1581139), (14, 1355262), (21, 903508), (28, 677631), (42, 451754), (84, 225877), (107, 177324), (214, 88662), (321, 59108), (428, 44331), (642, 29554), (749, 25332), (1284, 14777), (1498, 12666), (2111, 8988), (2247, 8444), (2996, 6333), (4222, 4494)]