18908010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 54587520

約数和(自身を除く): 35679510

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 71, 90, 99, 110, 142, 165, 198, 213, 269, 330, 355, 426, 495, 538, 639, 710, 781, 807, 990, 1065, 1278, 1345, 1562, 1614, 2130, 2343, 2421, 2690, 2959, 3195, 3905, 4035, 4686, 4842, 5918, 6390, 7029, 7810, 8070, 8877, 11715, 12105, 14058, 14795, 17754, 19099, 23430, 24210, 26631, 29590, 35145, 38198, 44385, 53262, 57297, 70290, 88770, 95495, 114594, 133155, 171891, 190990, 210089, 266310, 286485, 343782, 420178, 572970, 630267, 859455, 1050445, 1260534, 1718910, 1890801, 2100890, 3151335, 3781602, 6302670, 9454005, 18908010]

約数ペア:

[(1, 18908010), (2, 9454005), (3, 6302670), (5, 3781602), (6, 3151335), (9, 2100890), (10, 1890801), (11, 1718910), (15, 1260534), (18, 1050445), (22, 859455), (30, 630267), (33, 572970), (45, 420178), (55, 343782), (66, 286485), (71, 266310), (90, 210089), (99, 190990), (110, 171891), (142, 133155), (165, 114594), (198, 95495), (213, 88770), (269, 70290), (330, 57297), (355, 53262), (426, 44385), (495, 38198), (538, 35145), (639, 29590), (710, 26631), (781, 24210), (807, 23430), (990, 19099), (1065, 17754), (1278, 14795), (1345, 14058), (1562, 12105), (1614, 11715), (2130, 8877), (2343, 8070), (2421, 7810), (2690, 7029), (2959, 6390), (3195, 5918), (3905, 4842), (4035, 4686)]