18837117

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 31187520

約数和(自身を除く): 12350403

約数列:

[1, 3, 9, 13, 27, 39, 67, 81, 89, 117, 201, 243, 267, 351, 603, 801, 871, 1053, 1157, 1809, 2403, 2613, 3159, 3471, 5427, 5963, 7209, 7839, 10413, 16281, 17889, 21627, 23517, 31239, 53667, 70551, 77519, 93717, 161001, 211653, 232557, 281151, 483003, 697671, 1449009, 2093013, 6279039, 18837117]

約数ペア:

[(1, 18837117), (3, 6279039), (9, 2093013), (13, 1449009), (27, 697671), (39, 483003), (67, 281151), (81, 232557), (89, 211653), (117, 161001), (201, 93717), (243, 77519), (267, 70551), (351, 53667), (603, 31239), (801, 23517), (871, 21627), (1053, 17889), (1157, 16281), (1809, 10413), (2403, 7839), (2613, 7209), (3159, 5963), (3471, 5427)]