18291756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 52380160

約数和(自身を除く): 34088404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 73, 76, 84, 114, 133, 146, 157, 219, 228, 266, 292, 314, 399, 438, 471, 511, 532, 628, 798, 876, 942, 1022, 1099, 1387, 1533, 1596, 1884, 2044, 2198, 2774, 2983, 3066, 3297, 4161, 4396, 5548, 5966, 6132, 6594, 8322, 8949, 9709, 11461, 11932, 13188, 16644, 17898, 19418, 20881, 22922, 29127, 34383, 35796, 38836, 41762, 45844, 58254, 62643, 68766, 80227, 83524, 116508, 125286, 137532, 160454, 217759, 240681, 250572, 320908, 435518, 481362, 653277, 871036, 962724, 1306554, 1524313, 2613108, 3048626, 4572939, 6097252, 9145878, 18291756]

約数ペア:

[(1, 18291756), (2, 9145878), (3, 6097252), (4, 4572939), (6, 3048626), (7, 2613108), (12, 1524313), (14, 1306554), (19, 962724), (21, 871036), (28, 653277), (38, 481362), (42, 435518), (57, 320908), (73, 250572), (76, 240681), (84, 217759), (114, 160454), (133, 137532), (146, 125286), (157, 116508), (219, 83524), (228, 80227), (266, 68766), (292, 62643), (314, 58254), (399, 45844), (438, 41762), (471, 38836), (511, 35796), (532, 34383), (628, 29127), (798, 22922), (876, 20881), (942, 19418), (1022, 17898), (1099, 16644), (1387, 13188), (1533, 11932), (1596, 11461), (1884, 9709), (2044, 8949), (2198, 8322), (2774, 6594), (2983, 6132), (3066, 5966), (3297, 5548), (4161, 4396)]