19959930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{479}}^1$

素因数の和:955

約数の個数: 48

約数和(自身を含む): 52116480

約数和(自身を除く): 32156550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 463, 479, 926, 958, 1389, 1437, 2315, 2395, 2778, 2874, 4167, 4311, 4630, 4790, 6945, 7185, 8334, 8622, 13890, 14370, 20835, 21555, 41670, 43110, 221777, 443554, 665331, 1108885, 1330662, 1995993, 2217770, 3326655, 3991986, 6653310, 9979965, 19959930]

約数ペア:

[(1, 19959930), (2, 9979965), (3, 6653310), (5, 3991986), (6, 3326655), (9, 2217770), (10, 1995993), (15, 1330662), (18, 1108885), (30, 665331), (45, 443554), (90, 221777), (463, 43110), (479, 41670), (926, 21555), (958, 20835), (1389, 14370), (1437, 13890), (2315, 8622), (2395, 8334), (2778, 7185), (2874, 6945), (4167, 4790), (4311, 4630)]