19397840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 58281984

約数和(自身を除く): 38884144

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 47, 55, 56, 67, 70, 77, 80, 88, 94, 110, 112, 134, 140, 154, 176, 188, 220, 235, 268, 280, 308, 329, 335, 376, 385, 440, 469, 470, 517, 536, 560, 616, 658, 670, 737, 752, 770, 880, 938, 940, 1034, 1072, 1232, 1316, 1340, 1474, 1540, 1645, 1876, 1880, 2068, 2345, 2585, 2632, 2680, 2948, 3080, 3149, 3290, 3619, 3685, 3752, 3760, 4136, 4690, 5159, 5170, 5264, 5360, 5896, 6160, 6298, 6580, 7238, 7370, 7504, 8272, 9380, 10318, 10340, 11792, 12596, 13160, 14476, 14740, 15745, 18095, 18760, 20636, 20680, 22043, 25192, 25795, 26320, 28952, 29480, 31490, 34639, 36190, 37520, 41272, 41360, 44086, 50384, 51590, 57904, 58960, 62980, 69278, 72380, 82544, 88172, 103180, 110215, 125960, 138556, 144760, 173195, 176344, 206360, 220430, 242473, 251920, 277112, 289520, 346390, 352688, 412720, 440860, 484946, 554224, 692780, 881720, 969892, 1212365, 1385560, 1763440, 1939784, 2424730, 2771120, 3879568, 4849460, 9698920, 19397840]

約数ペア:

[(1, 19397840), (2, 9698920), (4, 4849460), (5, 3879568), (7, 2771120), (8, 2424730), (10, 1939784), (11, 1763440), (14, 1385560), (16, 1212365), (20, 969892), (22, 881720), (28, 692780), (35, 554224), (40, 484946), (44, 440860), (47, 412720), (55, 352688), (56, 346390), (67, 289520), (70, 277112), (77, 251920), (80, 242473), (88, 220430), (94, 206360), (110, 176344), (112, 173195), (134, 144760), (140, 138556), (154, 125960), (176, 110215), (188, 103180), (220, 88172), (235, 82544), (268, 72380), (280, 69278), (308, 62980), (329, 58960), (335, 57904), (376, 51590), (385, 50384), (440, 44086), (469, 41360), (470, 41272), (517, 37520), (536, 36190), (560, 34639), (616, 31490), (658, 29480), (670, 28952), (737, 26320), (752, 25795), (770, 25192), (880, 22043), (938, 20680), (940, 20636), (1034, 18760), (1072, 18095), (1232, 15745), (1316, 14740), (1340, 14476), (1474, 13160), (1540, 12596), (1645, 11792), (1876, 10340), (1880, 10318), (2068, 9380), (2345, 8272), (2585, 7504), (2632, 7370), (2680, 7238), (2948, 6580), (3080, 6298), (3149, 6160), (3290, 5896), (3619, 5360), (3685, 5264), (3752, 5170), (3760, 5159), (4136, 4690)]