19581288376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{7669}}^1\times {\mathrm{24551}}^1$

素因数の和:32239

約数の個数: 32

約数和(自身を含む): 39545906400

約数和(自身を除く): 19964618024

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 7669, 15338, 24551, 30676, 49102, 61352, 98204, 99697, 196408, 199394, 319163, 398788, 638326, 797576, 1276652, 2553304, 188281619, 376563238, 753126476, 1506252952, 2447661047, 4895322094, 9790644188, 19581288376]

約数ペア:

[(1, 19581288376), (2, 9790644188), (4, 4895322094), (8, 2447661047), (13, 1506252952), (26, 753126476), (52, 376563238), (104, 188281619), (7669, 2553304), (15338, 1276652), (24551, 797576), (30676, 638326), (49102, 398788), (61352, 319163), (98204, 199394), (99697, 196408)]