19901712

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{7823}}^1$

素因数の和:7887

約数の個数: 40

約数和(自身を含む): 52389504

約数和(自身を除く): 32487792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 7823, 15646, 23469, 31292, 46938, 62584, 93876, 125168, 187752, 375504, 414619, 829238, 1243857, 1658476, 2487714, 3316952, 4975428, 6633904, 9950856, 19901712]

約数ペア:

[(1, 19901712), (2, 9950856), (3, 6633904), (4, 4975428), (6, 3316952), (8, 2487714), (12, 1658476), (16, 1243857), (24, 829238), (48, 414619), (53, 375504), (106, 187752), (159, 125168), (212, 93876), (318, 62584), (424, 46938), (636, 31292), (848, 23469), (1272, 15646), (2544, 7823)]