18774003

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 27574272

約数和(自身を除く): 8800269

約数列:

[1, 3, 23, 31, 67, 69, 93, 131, 201, 393, 713, 1541, 2077, 2139, 3013, 4061, 4623, 6231, 8777, 9039, 12183, 26331, 47771, 93403, 143313, 201871, 272087, 280209, 605613, 816261, 6258001, 18774003]

約数ペア:

[(1, 18774003), (3, 6258001), (23, 816261), (31, 605613), (67, 280209), (69, 272087), (93, 201871), (131, 143313), (201, 93403), (393, 47771), (713, 26331), (1541, 12183), (2077, 9039), (2139, 8777), (3013, 6231), (4061, 4623)]