19247488

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 42411600

約数和(自身を除く): 23164112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 269, 344, 416, 538, 559, 688, 832, 1076, 1118, 1376, 1664, 2152, 2236, 2752, 3497, 4304, 4472, 5504, 6994, 8608, 8944, 11567, 13988, 17216, 17888, 23134, 27976, 34432, 35776, 46268, 55952, 71552, 92536, 111904, 150371, 185072, 223808, 300742, 370144, 447616, 601484, 740288, 1202968, 1480576, 2405936, 4811872, 9623744, 19247488]

約数ペア:

[(1, 19247488), (2, 9623744), (4, 4811872), (8, 2405936), (13, 1480576), (16, 1202968), (26, 740288), (32, 601484), (43, 447616), (52, 370144), (64, 300742), (86, 223808), (104, 185072), (128, 150371), (172, 111904), (208, 92536), (269, 71552), (344, 55952), (416, 46268), (538, 35776), (559, 34432), (688, 27976), (832, 23134), (1076, 17888), (1118, 17216), (1376, 13988), (1664, 11567), (2152, 8944), (2236, 8608), (2752, 6994), (3497, 5504), (4304, 4472)]