19086780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13831}}^1$

素因数の和:13866

約数の個数: 48

約数和(自身を含む): 55770624

約数和(自身を除く): 36683844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13831, 27662, 41493, 55324, 69155, 82986, 138310, 165972, 207465, 276620, 318113, 414930, 636226, 829860, 954339, 1272452, 1590565, 1908678, 3181130, 3817356, 4771695, 6362260, 9543390, 19086780]

約数ペア:

[(1, 19086780), (2, 9543390), (3, 6362260), (4, 4771695), (5, 3817356), (6, 3181130), (10, 1908678), (12, 1590565), (15, 1272452), (20, 954339), (23, 829860), (30, 636226), (46, 414930), (60, 318113), (69, 276620), (92, 207465), (115, 165972), (138, 138310), (230, 82986), (276, 69155), (345, 55324), (460, 41493), (690, 27662), (1380, 13831)]