18238338

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{71}}^2$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 41722080

約数和(自身を除く): 23483742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 71, 134, 142, 201, 213, 402, 426, 603, 639, 1206, 1278, 1809, 1917, 3618, 3834, 4757, 5041, 9514, 10082, 14271, 15123, 28542, 30246, 42813, 45369, 85626, 90738, 128439, 136107, 256878, 272214, 337747, 675494, 1013241, 2026482, 3039723, 6079446, 9119169, 18238338]

約数ペア:

[(1, 18238338), (2, 9119169), (3, 6079446), (6, 3039723), (9, 2026482), (18, 1013241), (27, 675494), (54, 337747), (67, 272214), (71, 256878), (134, 136107), (142, 128439), (201, 90738), (213, 85626), (402, 45369), (426, 42813), (603, 30246), (639, 28542), (1206, 15123), (1278, 14271), (1809, 10082), (1917, 9514), (3618, 5041), (3834, 4757)]