19221030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 51641280

約数和(自身を除く): 32420250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 257, 270, 277, 514, 554, 771, 831, 1285, 1385, 1542, 1662, 2313, 2493, 2570, 2770, 3855, 4155, 4626, 4986, 6939, 7479, 7710, 8310, 11565, 12465, 13878, 14958, 23130, 24930, 34695, 37395, 69390, 71189, 74790, 142378, 213567, 355945, 427134, 640701, 711890, 1067835, 1281402, 1922103, 2135670, 3203505, 3844206, 6407010, 9610515, 19221030]

約数ペア:

[(1, 19221030), (2, 9610515), (3, 6407010), (5, 3844206), (6, 3203505), (9, 2135670), (10, 1922103), (15, 1281402), (18, 1067835), (27, 711890), (30, 640701), (45, 427134), (54, 355945), (90, 213567), (135, 142378), (257, 74790), (270, 71189), (277, 69390), (514, 37395), (554, 34695), (771, 24930), (831, 23130), (1285, 14958), (1385, 13878), (1542, 12465), (1662, 11565), (2313, 8310), (2493, 7710), (2570, 7479), (2770, 6939), (3855, 4986), (4155, 4626)]