19965348

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 55867448

約数和(自身を除く): 35902100

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1153, 1332, 1443, 1924, 2306, 2886, 3459, 4329, 4612, 5772, 6918, 8658, 10377, 13836, 14989, 17316, 20754, 29978, 41508, 42661, 44967, 59956, 85322, 89934, 127983, 134901, 170644, 179868, 255966, 269802, 383949, 511932, 539604, 554593, 767898, 1109186, 1535796, 1663779, 2218372, 3327558, 4991337, 6655116, 9982674, 19965348]

約数ペア:

[(1, 19965348), (2, 9982674), (3, 6655116), (4, 4991337), (6, 3327558), (9, 2218372), (12, 1663779), (13, 1535796), (18, 1109186), (26, 767898), (36, 554593), (37, 539604), (39, 511932), (52, 383949), (74, 269802), (78, 255966), (111, 179868), (117, 170644), (148, 134901), (156, 127983), (222, 89934), (234, 85322), (333, 59956), (444, 44967), (468, 42661), (481, 41508), (666, 29978), (962, 20754), (1153, 17316), (1332, 14989), (1443, 13836), (1924, 10377), (2306, 8658), (2886, 6918), (3459, 5772), (4329, 4612)]