18716508

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1024

約数の個数: 60

約数和(自身を含む): 49783272

約数和(自身を除く): 31066764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 947, 1098, 1647, 1894, 2196, 2841, 3294, 3788, 4941, 5682, 6588, 8523, 9882, 11364, 17046, 19764, 25569, 34092, 51138, 57767, 76707, 102276, 115534, 153414, 173301, 231068, 306828, 346602, 519903, 693204, 1039806, 1559709, 2079612, 3119418, 4679127, 6238836, 9358254, 18716508]

約数ペア:

[(1, 18716508), (2, 9358254), (3, 6238836), (4, 4679127), (6, 3119418), (9, 2079612), (12, 1559709), (18, 1039806), (27, 693204), (36, 519903), (54, 346602), (61, 306828), (81, 231068), (108, 173301), (122, 153414), (162, 115534), (183, 102276), (244, 76707), (324, 57767), (366, 51138), (549, 34092), (732, 25569), (947, 19764), (1098, 17046), (1647, 11364), (1894, 9882), (2196, 8523), (2841, 6588), (3294, 5682), (3788, 4941)]