19127790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^2$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 54646488

約数和(自身を除く): 35518698

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 139, 165, 198, 278, 330, 417, 495, 695, 834, 990, 1251, 1390, 1529, 2085, 2502, 3058, 4170, 4587, 6255, 7645, 9174, 12510, 13761, 15290, 19321, 22935, 27522, 38642, 45870, 57963, 68805, 96605, 115926, 137610, 173889, 193210, 212531, 289815, 347778, 425062, 579630, 637593, 869445, 1062655, 1275186, 1738890, 1912779, 2125310, 3187965, 3825558, 6375930, 9563895, 19127790]

約数ペア:

[(1, 19127790), (2, 9563895), (3, 6375930), (5, 3825558), (6, 3187965), (9, 2125310), (10, 1912779), (11, 1738890), (15, 1275186), (18, 1062655), (22, 869445), (30, 637593), (33, 579630), (45, 425062), (55, 347778), (66, 289815), (90, 212531), (99, 193210), (110, 173889), (139, 137610), (165, 115926), (198, 96605), (278, 68805), (330, 57963), (417, 45870), (495, 38642), (695, 27522), (834, 22935), (990, 19321), (1251, 15290), (1390, 13761), (1529, 12510), (2085, 9174), (2502, 7645), (3058, 6255), (4170, 4587)]