18727254

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 53114880

約数和(自身を除く): 34387626

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 37, 39, 42, 54, 63, 74, 78, 91, 103, 111, 117, 126, 182, 189, 206, 222, 234, 259, 273, 309, 333, 351, 378, 481, 518, 546, 618, 666, 702, 721, 777, 819, 927, 962, 999, 1339, 1442, 1443, 1554, 1638, 1854, 1998, 2163, 2331, 2457, 2678, 2781, 2886, 3367, 3811, 4017, 4326, 4329, 4662, 4914, 5562, 6489, 6734, 6993, 7622, 8034, 8658, 9373, 10101, 11433, 12051, 12978, 12987, 13986, 18746, 19467, 20202, 22866, 24102, 25974, 26677, 28119, 30303, 34299, 36153, 38934, 49543, 53354, 56238, 60606, 68598, 72306, 80031, 84357, 90909, 99086, 102897, 148629, 160062, 168714, 181818, 205794, 240093, 253071, 297258, 346801, 445887, 480186, 506142, 693602, 720279, 891774, 1040403, 1337661, 1440558, 2080806, 2675322, 3121209, 6242418, 9363627, 18727254]

約数ペア:

[(1, 18727254), (2, 9363627), (3, 6242418), (6, 3121209), (7, 2675322), (9, 2080806), (13, 1440558), (14, 1337661), (18, 1040403), (21, 891774), (26, 720279), (27, 693602), (37, 506142), (39, 480186), (42, 445887), (54, 346801), (63, 297258), (74, 253071), (78, 240093), (91, 205794), (103, 181818), (111, 168714), (117, 160062), (126, 148629), (182, 102897), (189, 99086), (206, 90909), (222, 84357), (234, 80031), (259, 72306), (273, 68598), (309, 60606), (333, 56238), (351, 53354), (378, 49543), (481, 38934), (518, 36153), (546, 34299), (618, 30303), (666, 28119), (702, 26677), (721, 25974), (777, 24102), (819, 22866), (927, 20202), (962, 19467), (999, 18746), (1339, 13986), (1442, 12987), (1443, 12978), (1554, 12051), (1638, 11433), (1854, 10101), (1998, 9373), (2163, 8658), (2331, 8034), (2457, 7622), (2678, 6993), (2781, 6734), (2886, 6489), (3367, 5562), (3811, 4914), (4017, 4662), (4326, 4329)]