18206552

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 42638400

約数和(自身を除く): 24431848

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 89, 91, 104, 178, 182, 281, 356, 364, 562, 623, 712, 728, 1124, 1157, 1246, 1967, 2248, 2314, 2492, 3653, 3934, 4628, 4984, 7306, 7868, 8099, 9256, 14612, 15736, 16198, 25009, 25571, 29224, 32396, 50018, 51142, 64792, 100036, 102284, 175063, 200072, 204568, 325117, 350126, 650234, 700252, 1300468, 1400504, 2275819, 2600936, 4551638, 9103276, 18206552]

約数ペア:

[(1, 18206552), (2, 9103276), (4, 4551638), (7, 2600936), (8, 2275819), (13, 1400504), (14, 1300468), (26, 700252), (28, 650234), (52, 350126), (56, 325117), (89, 204568), (91, 200072), (104, 175063), (178, 102284), (182, 100036), (281, 64792), (356, 51142), (364, 50018), (562, 32396), (623, 29224), (712, 25571), (728, 25009), (1124, 16198), (1157, 15736), (1246, 14612), (1967, 9256), (2248, 8099), (2314, 7868), (2492, 7306), (3653, 4984), (3934, 4628)]