18311216

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 26685904

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 89, 112, 154, 167, 176, 178, 308, 334, 356, 616, 623, 668, 712, 979, 1169, 1232, 1246, 1336, 1424, 1837, 1958, 2338, 2492, 2672, 3674, 3916, 4676, 4984, 6853, 7348, 7832, 9352, 9968, 12859, 13706, 14696, 14863, 15664, 18704, 25718, 27412, 29392, 29726, 51436, 54824, 59452, 102872, 104041, 109648, 118904, 163493, 205744, 208082, 237808, 326986, 416164, 653972, 832328, 1144451, 1307944, 1664656, 2288902, 2615888, 4577804, 9155608, 18311216]

約数ペア:

[(1, 18311216), (2, 9155608), (4, 4577804), (7, 2615888), (8, 2288902), (11, 1664656), (14, 1307944), (16, 1144451), (22, 832328), (28, 653972), (44, 416164), (56, 326986), (77, 237808), (88, 208082), (89, 205744), (112, 163493), (154, 118904), (167, 109648), (176, 104041), (178, 102872), (308, 59452), (334, 54824), (356, 51436), (616, 29726), (623, 29392), (668, 27412), (712, 25718), (979, 18704), (1169, 15664), (1232, 14863), (1246, 14696), (1336, 13706), (1424, 12859), (1837, 9968), (1958, 9352), (2338, 7832), (2492, 7348), (2672, 6853), (3674, 4984), (3916, 4676)]