19294245

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13831}}^1$

素因数の和:13873

約数の個数: 24

約数和(自身を含む): 34524672

約数和(自身を除く): 15230427

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 13831, 41493, 69155, 124479, 207465, 428761, 622395, 1286283, 2143805, 3858849, 6431415, 19294245]

約数ペア:

[(1, 19294245), (3, 6431415), (5, 3858849), (9, 2143805), (15, 1286283), (31, 622395), (45, 428761), (93, 207465), (155, 124479), (279, 69155), (465, 41493), (1395, 13831)]