19793816

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 44815680

約数和(自身を除く): 25021864

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 41, 56, 74, 82, 148, 164, 233, 259, 287, 296, 328, 466, 518, 574, 932, 1036, 1148, 1517, 1631, 1864, 2072, 2296, 3034, 3262, 6068, 6524, 8621, 9553, 10619, 12136, 13048, 17242, 19106, 21238, 34484, 38212, 42476, 60347, 66871, 68968, 76424, 84952, 120694, 133742, 241388, 267484, 353461, 482776, 534968, 706922, 1413844, 2474227, 2827688, 4948454, 9896908, 19793816]

約数ペア:

[(1, 19793816), (2, 9896908), (4, 4948454), (7, 2827688), (8, 2474227), (14, 1413844), (28, 706922), (37, 534968), (41, 482776), (56, 353461), (74, 267484), (82, 241388), (148, 133742), (164, 120694), (233, 84952), (259, 76424), (287, 68968), (296, 66871), (328, 60347), (466, 42476), (518, 38212), (574, 34484), (932, 21238), (1036, 19106), (1148, 17242), (1517, 13048), (1631, 12136), (1864, 10619), (2072, 9553), (2296, 8621), (3034, 6524), (3262, 6068)]