20194135408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:1071

約数の個数: 120

約数和(自身を含む): 43243164800

約数和(自身を除く): 23049029392

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 43, 76, 82, 86, 152, 164, 172, 304, 328, 344, 656, 688, 779, 817, 919, 1558, 1634, 1681, 1763, 1838, 3116, 3268, 3362, 3526, 3676, 6232, 6536, 6724, 7052, 7352, 12464, 13072, 13448, 14104, 14704, 17461, 26896, 28208, 31939, 33497, 34922, 37679, 39517, 63878, 66994, 69844, 72283, 75358, 79034, 127756, 133988, 139688, 144566, 150716, 158068, 255512, 267976, 279376, 289132, 301432, 316136, 511024, 535952, 578264, 602864, 632272, 715901, 750823, 1156528, 1373377, 1431802, 1501646, 1544839, 1620197, 2746754, 2863604, 3003292, 3089678, 3240394, 5493508, 5727208, 6006584, 6179356, 6480788, 10987016, 11454416, 12013168, 12358712, 12961576, 21974032, 24717424, 25923152, 29351941, 30783743, 58703882, 61567486, 66428077, 117407764, 123134972, 132856154, 234815528, 246269944, 265712308, 469631056, 492539888, 531424616, 1062849232, 1262133463, 2524266926, 5048533852, 10097067704, 20194135408]

約数ペア:

[(1, 20194135408), (2, 10097067704), (4, 5048533852), (8, 2524266926), (16, 1262133463), (19, 1062849232), (38, 531424616), (41, 492539888), (43, 469631056), (76, 265712308), (82, 246269944), (86, 234815528), (152, 132856154), (164, 123134972), (172, 117407764), (304, 66428077), (328, 61567486), (344, 58703882), (656, 30783743), (688, 29351941), (779, 25923152), (817, 24717424), (919, 21974032), (1558, 12961576), (1634, 12358712), (1681, 12013168), (1763, 11454416), (1838, 10987016), (3116, 6480788), (3268, 6179356), (3362, 6006584), (3526, 5727208), (3676, 5493508), (6232, 3240394), (6536, 3089678), (6724, 3003292), (7052, 2863604), (7352, 2746754), (12464, 1620197), (13072, 1544839), (13448, 1501646), (14104, 1431802), (14704, 1373377), (17461, 1156528), (26896, 750823), (28208, 715901), (31939, 632272), (33497, 602864), (34922, 578264), (37679, 535952), (39517, 511024), (63878, 316136), (66994, 301432), (69844, 289132), (72283, 279376), (75358, 267976), (79034, 255512), (127756, 158068), (133988, 150716), (139688, 144566)]