18931613508

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{347}}^1\times {\mathrm{373}}^1$

素因数の和:986

約数の個数: 144

約数和(自身を含む): 51165354240

約数和(自身を除く): 32233740732

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 239, 306, 347, 373, 478, 612, 694, 717, 746, 956, 1041, 1119, 1388, 1434, 1492, 2082, 2151, 2238, 2868, 3123, 3357, 4063, 4164, 4302, 4476, 5899, 6246, 6341, 6714, 8126, 8604, 11798, 12189, 12492, 12682, 13428, 16252, 17697, 19023, 23596, 24378, 25364, 35394, 36567, 38046, 48756, 53091, 57069, 70788, 73134, 76092, 82933, 89147, 106182, 114138, 129431, 146268, 165866, 178294, 212364, 228276, 248799, 258862, 267441, 331732, 356588, 388293, 497598, 517724, 534882, 746397, 776586, 802323, 995196, 1069764, 1164879, 1409861, 1492794, 1515499, 1553172, 1604646, 2200327, 2329758, 2819722, 2985588, 3030998, 3209292, 4229583, 4400654, 4546497, 4659516, 5639444, 6061996, 6600981, 8459166, 8801308, 9092994, 12688749, 13201962, 13639491, 16918332, 18185988, 19802943, 25377498, 26403924, 27278982, 30934009, 39605886, 50754996, 54557964, 61868018, 79211772, 92802027, 123736036, 185604054, 278406081, 371208108, 525878153, 556812162, 1051756306, 1113624324, 1577634459, 2103512612, 3155268918, 4732903377, 6310537836, 9465806754, 18931613508]

約数ペア:

[(1, 18931613508), (2, 9465806754), (3, 6310537836), (4, 4732903377), (6, 3155268918), (9, 2103512612), (12, 1577634459), (17, 1113624324), (18, 1051756306), (34, 556812162), (36, 525878153), (51, 371208108), (68, 278406081), (102, 185604054), (153, 123736036), (204, 92802027), (239, 79211772), (306, 61868018), (347, 54557964), (373, 50754996), (478, 39605886), (612, 30934009), (694, 27278982), (717, 26403924), (746, 25377498), (956, 19802943), (1041, 18185988), (1119, 16918332), (1388, 13639491), (1434, 13201962), (1492, 12688749), (2082, 9092994), (2151, 8801308), (2238, 8459166), (2868, 6600981), (3123, 6061996), (3357, 5639444), (4063, 4659516), (4164, 4546497), (4302, 4400654), (4476, 4229583), (5899, 3209292), (6246, 3030998), (6341, 2985588), (6714, 2819722), (8126, 2329758), (8604, 2200327), (11798, 1604646), (12189, 1553172), (12492, 1515499), (12682, 1492794), (13428, 1409861), (16252, 1164879), (17697, 1069764), (19023, 995196), (23596, 802323), (24378, 776586), (25364, 746397), (35394, 534882), (36567, 517724), (38046, 497598), (48756, 388293), (53091, 356588), (57069, 331732), (70788, 267441), (73134, 258862), (76092, 248799), (82933, 228276), (89147, 212364), (106182, 178294), (114138, 165866), (129431, 146268)]