18763514

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 36469440

約数和(自身を除く): 17705926

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 89, 154, 178, 259, 407, 518, 623, 814, 979, 1246, 1369, 1958, 2738, 2849, 3293, 5698, 6586, 6853, 9583, 13706, 15059, 19166, 23051, 30118, 36223, 46102, 72446, 105413, 121841, 210826, 243682, 253561, 507122, 852887, 1340251, 1705774, 2680502, 9381757, 18763514]

約数ペア:

[(1, 18763514), (2, 9381757), (7, 2680502), (11, 1705774), (14, 1340251), (22, 852887), (37, 507122), (74, 253561), (77, 243682), (89, 210826), (154, 121841), (178, 105413), (259, 72446), (407, 46102), (518, 36223), (623, 30118), (814, 23051), (979, 19166), (1246, 15059), (1369, 13706), (1958, 9583), (2738, 6853), (2849, 6586), (3293, 5698)]