18247581

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 30888000

約数和(自身を除く): 12640419

約数列:

[1, 3, 9, 11, 19, 33, 57, 89, 99, 109, 171, 209, 267, 327, 627, 801, 979, 981, 1199, 1691, 1881, 2071, 2937, 3597, 5073, 6213, 8811, 9701, 10791, 15219, 18601, 18639, 22781, 29103, 55803, 68343, 87309, 106711, 167409, 184319, 205029, 320133, 552957, 960399, 1658871, 2027509, 6082527, 18247581]

約数ペア:

[(1, 18247581), (3, 6082527), (9, 2027509), (11, 1658871), (19, 960399), (33, 552957), (57, 320133), (89, 205029), (99, 184319), (109, 167409), (171, 106711), (209, 87309), (267, 68343), (327, 55803), (627, 29103), (801, 22781), (979, 18639), (981, 18601), (1199, 15219), (1691, 10791), (1881, 9701), (2071, 8811), (2937, 6213), (3597, 5073)]