18974508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1999}}^1$

素因数の和:2126

約数の個数: 48

約数和(自身を含む): 51072000

約数和(自身を除く): 32097492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 113, 226, 339, 452, 678, 791, 1356, 1582, 1999, 2373, 3164, 3998, 4746, 5997, 7996, 9492, 11994, 13993, 23988, 27986, 41979, 55972, 83958, 167916, 225887, 451774, 677661, 903548, 1355322, 1581209, 2710644, 3162418, 4743627, 6324836, 9487254, 18974508]

約数ペア:

[(1, 18974508), (2, 9487254), (3, 6324836), (4, 4743627), (6, 3162418), (7, 2710644), (12, 1581209), (14, 1355322), (21, 903548), (28, 677661), (42, 451774), (84, 225887), (113, 167916), (226, 83958), (339, 55972), (452, 41979), (678, 27986), (791, 23988), (1356, 13993), (1582, 11994), (1999, 9492), (2373, 7996), (3164, 5997), (3998, 4746)]