18696492

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 49533120

約数和(自身を除く): 30836628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 53, 82, 106, 123, 159, 164, 212, 239, 246, 318, 369, 477, 478, 492, 636, 717, 738, 954, 956, 1434, 1476, 1908, 2151, 2173, 2868, 4302, 4346, 6519, 8604, 8692, 9799, 12667, 13038, 19557, 19598, 25334, 26076, 29397, 38001, 39114, 39196, 50668, 58794, 76002, 78228, 88191, 114003, 117588, 152004, 176382, 228006, 352764, 456012, 519347, 1038694, 1558041, 2077388, 3116082, 4674123, 6232164, 9348246, 18696492]

約数ペア:

[(1, 18696492), (2, 9348246), (3, 6232164), (4, 4674123), (6, 3116082), (9, 2077388), (12, 1558041), (18, 1038694), (36, 519347), (41, 456012), (53, 352764), (82, 228006), (106, 176382), (123, 152004), (159, 117588), (164, 114003), (212, 88191), (239, 78228), (246, 76002), (318, 58794), (369, 50668), (477, 39196), (478, 39114), (492, 38001), (636, 29397), (717, 26076), (738, 25334), (954, 19598), (956, 19557), (1434, 13038), (1476, 12667), (1908, 9799), (2151, 8692), (2173, 8604), (2868, 6519), (4302, 4346)]