18999924

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 47040000

約数和(自身を除く): 28040076

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 167, 228, 334, 499, 501, 668, 998, 1002, 1497, 1996, 2004, 2994, 3173, 5988, 6346, 9481, 9519, 12692, 18962, 19038, 28443, 37924, 38076, 56886, 83333, 113772, 166666, 249999, 333332, 499998, 999996, 1583327, 3166654, 4749981, 6333308, 9499962, 18999924]

約数ペア:

[(1, 18999924), (2, 9499962), (3, 6333308), (4, 4749981), (6, 3166654), (12, 1583327), (19, 999996), (38, 499998), (57, 333332), (76, 249999), (114, 166666), (167, 113772), (228, 83333), (334, 56886), (499, 38076), (501, 37924), (668, 28443), (998, 19038), (1002, 18962), (1497, 12692), (1996, 9519), (2004, 9481), (2994, 6346), (3173, 5988)]