18779616

素因数分解:

$2^5\times 3^2\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:544

約数の個数: 72

約数和(自身を含む): 53837784

約数和(自身を除く): 35058168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 197, 288, 331, 394, 591, 662, 788, 993, 1182, 1324, 1576, 1773, 1986, 2364, 2648, 2979, 3152, 3546, 3972, 4728, 5296, 5958, 6304, 7092, 7944, 9456, 10592, 11916, 14184, 15888, 18912, 23832, 28368, 31776, 47664, 56736, 65207, 95328, 130414, 195621, 260828, 391242, 521656, 586863, 782484, 1043312, 1173726, 1564968, 2086624, 2347452, 3129936, 4694904, 6259872, 9389808, 18779616]

約数ペア:

[(1, 18779616), (2, 9389808), (3, 6259872), (4, 4694904), (6, 3129936), (8, 2347452), (9, 2086624), (12, 1564968), (16, 1173726), (18, 1043312), (24, 782484), (32, 586863), (36, 521656), (48, 391242), (72, 260828), (96, 195621), (144, 130414), (197, 95328), (288, 65207), (331, 56736), (394, 47664), (591, 31776), (662, 28368), (788, 23832), (993, 18912), (1182, 15888), (1324, 14184), (1576, 11916), (1773, 10592), (1986, 9456), (2364, 7944), (2648, 7092), (2979, 6304), (3152, 5958), (3546, 5296), (3972, 4728)]