18308368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 22938992

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 43, 46, 52, 86, 89, 92, 104, 172, 178, 184, 208, 299, 344, 356, 368, 559, 598, 688, 712, 989, 1118, 1157, 1196, 1424, 1978, 2047, 2236, 2314, 2392, 3827, 3956, 4094, 4472, 4628, 4784, 7654, 7912, 8188, 8944, 9256, 12857, 15308, 15824, 16376, 18512, 25714, 26611, 30616, 32752, 49751, 51428, 53222, 61232, 88021, 99502, 102856, 106444, 176042, 199004, 205712, 212888, 352084, 398008, 425776, 704168, 796016, 1144273, 1408336, 2288546, 4577092, 9154184, 18308368]

約数ペア:

[(1, 18308368), (2, 9154184), (4, 4577092), (8, 2288546), (13, 1408336), (16, 1144273), (23, 796016), (26, 704168), (43, 425776), (46, 398008), (52, 352084), (86, 212888), (89, 205712), (92, 199004), (104, 176042), (172, 106444), (178, 102856), (184, 99502), (208, 88021), (299, 61232), (344, 53222), (356, 51428), (368, 49751), (559, 32752), (598, 30616), (688, 26611), (712, 25714), (989, 18512), (1118, 16376), (1157, 15824), (1196, 15308), (1424, 12857), (1978, 9256), (2047, 8944), (2236, 8188), (2314, 7912), (2392, 7654), (3827, 4784), (3956, 4628), (4094, 4472)]