19431320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21121}}^1$

素因数の和:21155

約数の個数: 32

約数和(自身を含む): 45623520

約数和(自身を除く): 26192200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21121, 42242, 84484, 105605, 168968, 211210, 422420, 485783, 844840, 971566, 1943132, 2428915, 3886264, 4857830, 9715660, 19431320]

約数ペア:

[(1, 19431320), (2, 9715660), (4, 4857830), (5, 3886264), (8, 2428915), (10, 1943132), (20, 971566), (23, 844840), (40, 485783), (46, 422420), (92, 211210), (115, 168968), (184, 105605), (230, 84484), (460, 42242), (920, 21121)]