19968156792

素因数分解:

$2^3\times 3^2\times {\mathrm{223}}^1\times {\mathrm{307}}^1\times {\mathrm{4051}}^1$

素因数の和:4593

約数の個数: 96

約数和(自身を含む): 54513338880

約数和(自身を除く): 34545182088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 223, 307, 446, 614, 669, 892, 921, 1228, 1338, 1784, 1842, 2007, 2456, 2676, 2763, 3684, 4014, 4051, 5352, 5526, 7368, 8028, 8102, 11052, 12153, 16056, 16204, 22104, 24306, 32408, 36459, 48612, 68461, 72918, 97224, 136922, 145836, 205383, 273844, 291672, 410766, 547688, 616149, 821532, 903373, 1232298, 1243657, 1643064, 1806746, 2464596, 2487314, 2710119, 3613492, 3730971, 4929192, 4974628, 5420238, 7226984, 7461942, 8130357, 9949256, 10840476, 11192913, 14923884, 16260714, 21680952, 22385826, 29847768, 32521428, 44771652, 65042856, 89543304, 277335511, 554671022, 832006533, 1109342044, 1664013066, 2218684088, 2496019599, 3328026132, 4992039198, 6656052264, 9984078396, 19968156792]

約数ペア:

[(1, 19968156792), (2, 9984078396), (3, 6656052264), (4, 4992039198), (6, 3328026132), (8, 2496019599), (9, 2218684088), (12, 1664013066), (18, 1109342044), (24, 832006533), (36, 554671022), (72, 277335511), (223, 89543304), (307, 65042856), (446, 44771652), (614, 32521428), (669, 29847768), (892, 22385826), (921, 21680952), (1228, 16260714), (1338, 14923884), (1784, 11192913), (1842, 10840476), (2007, 9949256), (2456, 8130357), (2676, 7461942), (2763, 7226984), (3684, 5420238), (4014, 4974628), (4051, 4929192), (5352, 3730971), (5526, 3613492), (7368, 2710119), (8028, 2487314), (8102, 2464596), (11052, 1806746), (12153, 1643064), (16056, 1243657), (16204, 1232298), (22104, 903373), (24306, 821532), (32408, 616149), (36459, 547688), (48612, 410766), (68461, 291672), (72918, 273844), (97224, 205383), (136922, 145836)]