19234820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 29028220

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 37, 44, 55, 68, 74, 85, 110, 139, 148, 170, 185, 187, 220, 278, 340, 370, 374, 407, 556, 629, 695, 740, 748, 814, 935, 1258, 1390, 1529, 1628, 1870, 2035, 2363, 2516, 2780, 3058, 3145, 3740, 4070, 4726, 5143, 6116, 6290, 6919, 7645, 8140, 9452, 10286, 11815, 12580, 13838, 15290, 20572, 23630, 25715, 25993, 27676, 30580, 34595, 47260, 51430, 51986, 56573, 69190, 87431, 102860, 103972, 113146, 129965, 138380, 174862, 226292, 259930, 282865, 349724, 437155, 519860, 565730, 874310, 961741, 1131460, 1748620, 1923482, 3846964, 4808705, 9617410, 19234820]

約数ペア:

[(1, 19234820), (2, 9617410), (4, 4808705), (5, 3846964), (10, 1923482), (11, 1748620), (17, 1131460), (20, 961741), (22, 874310), (34, 565730), (37, 519860), (44, 437155), (55, 349724), (68, 282865), (74, 259930), (85, 226292), (110, 174862), (139, 138380), (148, 129965), (170, 113146), (185, 103972), (187, 102860), (220, 87431), (278, 69190), (340, 56573), (370, 51986), (374, 51430), (407, 47260), (556, 34595), (629, 30580), (695, 27676), (740, 25993), (748, 25715), (814, 23630), (935, 20572), (1258, 15290), (1390, 13838), (1529, 12580), (1628, 11815), (1870, 10286), (2035, 9452), (2363, 8140), (2516, 7645), (2780, 6919), (3058, 6290), (3145, 6116), (3740, 5143), (4070, 4726)]