19512468

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 54902400

約数和(自身を除く): 35389932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 37, 38, 54, 57, 74, 76, 108, 111, 114, 148, 171, 222, 228, 257, 333, 342, 444, 513, 514, 666, 684, 703, 771, 999, 1026, 1028, 1332, 1406, 1542, 1998, 2052, 2109, 2313, 2812, 3084, 3996, 4218, 4626, 4883, 6327, 6939, 8436, 9252, 9509, 9766, 12654, 13878, 14649, 18981, 19018, 19532, 25308, 27756, 28527, 29298, 37962, 38036, 43947, 57054, 58596, 75924, 85581, 87894, 114108, 131841, 171162, 175788, 180671, 256743, 263682, 342324, 361342, 513486, 527364, 542013, 722684, 1026972, 1084026, 1626039, 2168052, 3252078, 4878117, 6504156, 9756234, 19512468]

約数ペア:

[(1, 19512468), (2, 9756234), (3, 6504156), (4, 4878117), (6, 3252078), (9, 2168052), (12, 1626039), (18, 1084026), (19, 1026972), (27, 722684), (36, 542013), (37, 527364), (38, 513486), (54, 361342), (57, 342324), (74, 263682), (76, 256743), (108, 180671), (111, 175788), (114, 171162), (148, 131841), (171, 114108), (222, 87894), (228, 85581), (257, 75924), (333, 58596), (342, 57054), (444, 43947), (513, 38036), (514, 37962), (666, 29298), (684, 28527), (703, 27756), (771, 25308), (999, 19532), (1026, 19018), (1028, 18981), (1332, 14649), (1406, 13878), (1542, 12654), (1998, 9766), (2052, 9509), (2109, 9252), (2313, 8436), (2812, 6939), (3084, 6327), (3996, 4883), (4218, 4626)]