18768060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:963

約数の個数: 72

約数和(自身を含む): 57447936

約数和(自身を除く): 38679876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 821, 1143, 1270, 1524, 1642, 1905, 2286, 2463, 2540, 3284, 3810, 4105, 4572, 4926, 5715, 7389, 7620, 8210, 9852, 11430, 12315, 14778, 16420, 22860, 24630, 29556, 36945, 49260, 73890, 104267, 147780, 208534, 312801, 417068, 521335, 625602, 938403, 1042670, 1251204, 1564005, 1876806, 2085340, 3128010, 3753612, 4692015, 6256020, 9384030, 18768060]

約数ペア:

[(1, 18768060), (2, 9384030), (3, 6256020), (4, 4692015), (5, 3753612), (6, 3128010), (9, 2085340), (10, 1876806), (12, 1564005), (15, 1251204), (18, 1042670), (20, 938403), (30, 625602), (36, 521335), (45, 417068), (60, 312801), (90, 208534), (127, 147780), (180, 104267), (254, 73890), (381, 49260), (508, 36945), (635, 29556), (762, 24630), (821, 22860), (1143, 16420), (1270, 14778), (1524, 12315), (1642, 11430), (1905, 9852), (2286, 8210), (2463, 7620), (2540, 7389), (3284, 5715), (3810, 4926), (4105, 4572)]