18885844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 37028880

約数和(自身を除く): 18143036

約数列:

[1, 2, 4, 17, 29, 34, 58, 61, 68, 116, 122, 157, 244, 314, 493, 628, 986, 1037, 1769, 1972, 2074, 2669, 3538, 4148, 4553, 5338, 7076, 9106, 9577, 10676, 18212, 19154, 30073, 38308, 60146, 77401, 120292, 154802, 162809, 277733, 309604, 325618, 555466, 651236, 1110932, 4721461, 9442922, 18885844]

約数ペア:

[(1, 18885844), (2, 9442922), (4, 4721461), (17, 1110932), (29, 651236), (34, 555466), (58, 325618), (61, 309604), (68, 277733), (116, 162809), (122, 154802), (157, 120292), (244, 77401), (314, 60146), (493, 38308), (628, 30073), (986, 19154), (1037, 18212), (1769, 10676), (1972, 9577), (2074, 9106), (2669, 7076), (3538, 5338), (4148, 4553)]