19428336

素因数分解:

$2^4\times 3^5\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 59579520

約数和(自身を除く): 40151184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 263, 304, 324, 342, 432, 456, 486, 513, 526, 648, 684, 789, 912, 972, 1026, 1052, 1296, 1368, 1539, 1578, 1944, 2052, 2104, 2367, 2736, 3078, 3156, 3888, 4104, 4208, 4617, 4734, 4997, 6156, 6312, 7101, 8208, 9234, 9468, 9994, 12312, 12624, 14202, 14991, 18468, 18936, 19988, 21303, 24624, 28404, 29982, 36936, 37872, 39976, 42606, 44973, 56808, 59964, 63909, 73872, 79952, 85212, 89946, 113616, 119928, 127818, 134919, 170424, 179892, 239856, 255636, 269838, 340848, 359784, 404757, 511272, 539676, 719568, 809514, 1022544, 1079352, 1214271, 1619028, 2158704, 2428542, 3238056, 4857084, 6476112, 9714168, 19428336]

約数ペア:

[(1, 19428336), (2, 9714168), (3, 6476112), (4, 4857084), (6, 3238056), (8, 2428542), (9, 2158704), (12, 1619028), (16, 1214271), (18, 1079352), (19, 1022544), (24, 809514), (27, 719568), (36, 539676), (38, 511272), (48, 404757), (54, 359784), (57, 340848), (72, 269838), (76, 255636), (81, 239856), (108, 179892), (114, 170424), (144, 134919), (152, 127818), (162, 119928), (171, 113616), (216, 89946), (228, 85212), (243, 79952), (263, 73872), (304, 63909), (324, 59964), (342, 56808), (432, 44973), (456, 42606), (486, 39976), (513, 37872), (526, 36936), (648, 29982), (684, 28404), (789, 24624), (912, 21303), (972, 19988), (1026, 18936), (1052, 18468), (1296, 14991), (1368, 14202), (1539, 12624), (1578, 12312), (1944, 9994), (2052, 9468), (2104, 9234), (2367, 8208), (2736, 7101), (3078, 6312), (3156, 6156), (3888, 4997), (4104, 4734), (4208, 4617)]