15977936

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:364

約数の個数: 60

約数和(自身を含む): 35399520

約数和(自身を除く): 19421584

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 169, 208, 247, 304, 311, 338, 494, 622, 676, 988, 1244, 1352, 1976, 2488, 2704, 3211, 3952, 4043, 4976, 5909, 6422, 8086, 11818, 12844, 16172, 23636, 25688, 32344, 47272, 51376, 52559, 64688, 76817, 94544, 105118, 153634, 210236, 307268, 420472, 614536, 840944, 998621, 1229072, 1997242, 3994484, 7988968, 15977936]

約数ペア:

[(1, 15977936), (2, 7988968), (4, 3994484), (8, 1997242), (13, 1229072), (16, 998621), (19, 840944), (26, 614536), (38, 420472), (52, 307268), (76, 210236), (104, 153634), (152, 105118), (169, 94544), (208, 76817), (247, 64688), (304, 52559), (311, 51376), (338, 47272), (494, 32344), (622, 25688), (676, 23636), (988, 16172), (1244, 12844), (1352, 11818), (1976, 8086), (2488, 6422), (2704, 5909), (3211, 4976), (3952, 4043)]