15784288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 48

約数和(自身を含む): 35244720

約数和(自身を除く): 19460432

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 1997, 3952, 3994, 7904, 7988, 15976, 25961, 31952, 37943, 51922, 63904, 75886, 103844, 151772, 207688, 303544, 415376, 493259, 607088, 830752, 986518, 1214176, 1973036, 3946072, 7892144, 15784288]

約数ペア:

[(1, 15784288), (2, 7892144), (4, 3946072), (8, 1973036), (13, 1214176), (16, 986518), (19, 830752), (26, 607088), (32, 493259), (38, 415376), (52, 303544), (76, 207688), (104, 151772), (152, 103844), (208, 75886), (247, 63904), (304, 51922), (416, 37943), (494, 31952), (608, 25961), (988, 15976), (1976, 7988), (1997, 7904), (3952, 3994)]