18089748

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 49140000

約数和(自身を除く): 31050252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 53, 57, 76, 106, 114, 159, 171, 212, 228, 318, 342, 477, 499, 636, 684, 954, 998, 1007, 1497, 1908, 1996, 2014, 2994, 3021, 4028, 4491, 5988, 6042, 8982, 9063, 9481, 12084, 17964, 18126, 18962, 26447, 28443, 36252, 37924, 52894, 56886, 79341, 85329, 105788, 113772, 158682, 170658, 238023, 317364, 341316, 476046, 502493, 952092, 1004986, 1507479, 2009972, 3014958, 4522437, 6029916, 9044874, 18089748]

約数ペア:

[(1, 18089748), (2, 9044874), (3, 6029916), (4, 4522437), (6, 3014958), (9, 2009972), (12, 1507479), (18, 1004986), (19, 952092), (36, 502493), (38, 476046), (53, 341316), (57, 317364), (76, 238023), (106, 170658), (114, 158682), (159, 113772), (171, 105788), (212, 85329), (228, 79341), (318, 56886), (342, 52894), (477, 37924), (499, 36252), (636, 28443), (684, 26447), (954, 18962), (998, 18126), (1007, 17964), (1497, 12084), (1908, 9481), (1996, 9063), (2014, 8982), (2994, 6042), (3021, 5988), (4028, 4491)]