19135215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 39536640

約数和(自身を除く): 20401425

約数列:

[1, 3, 5, 9, 11, 15, 29, 31, 33, 43, 45, 55, 87, 93, 99, 129, 145, 155, 165, 215, 261, 279, 319, 341, 387, 435, 465, 473, 495, 645, 899, 957, 1023, 1247, 1305, 1333, 1395, 1419, 1595, 1705, 1935, 2365, 2697, 2871, 3069, 3741, 3999, 4257, 4495, 4785, 5115, 6235, 6665, 7095, 8091, 9889, 11223, 11997, 13485, 13717, 14355, 14663, 15345, 18705, 19995, 21285, 29667, 38657, 40455, 41151, 43989, 49445, 56115, 59985, 68585, 73315, 89001, 115971, 123453, 131967, 148335, 193285, 205755, 219945, 347913, 425227, 445005, 579855, 617265, 659835, 1275681, 1739565, 2126135, 3827043, 6378405, 19135215]

約数ペア:

[(1, 19135215), (3, 6378405), (5, 3827043), (9, 2126135), (11, 1739565), (15, 1275681), (29, 659835), (31, 617265), (33, 579855), (43, 445005), (45, 425227), (55, 347913), (87, 219945), (93, 205755), (99, 193285), (129, 148335), (145, 131967), (155, 123453), (165, 115971), (215, 89001), (261, 73315), (279, 68585), (319, 59985), (341, 56115), (387, 49445), (435, 43989), (465, 41151), (473, 40455), (495, 38657), (645, 29667), (899, 21285), (957, 19995), (1023, 18705), (1247, 15345), (1305, 14663), (1333, 14355), (1395, 13717), (1419, 13485), (1595, 11997), (1705, 11223), (1935, 9889), (2365, 8091), (2697, 7095), (2871, 6665), (3069, 6235), (3741, 5115), (3999, 4785), (4257, 4495)]