16738696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 36590400

約数和(自身を除く): 19851704

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 43, 52, 76, 86, 104, 152, 172, 197, 247, 344, 394, 494, 559, 788, 817, 988, 1118, 1576, 1634, 1976, 2236, 2561, 3268, 3743, 4472, 5122, 6536, 7486, 8471, 10244, 10621, 14972, 16942, 20488, 21242, 29944, 33884, 42484, 48659, 67768, 84968, 97318, 110123, 160949, 194636, 220246, 321898, 389272, 440492, 643796, 880984, 1287592, 2092337, 4184674, 8369348, 16738696]

約数ペア:

[(1, 16738696), (2, 8369348), (4, 4184674), (8, 2092337), (13, 1287592), (19, 880984), (26, 643796), (38, 440492), (43, 389272), (52, 321898), (76, 220246), (86, 194636), (104, 160949), (152, 110123), (172, 97318), (197, 84968), (247, 67768), (344, 48659), (394, 42484), (494, 33884), (559, 29944), (788, 21242), (817, 20488), (988, 16942), (1118, 14972), (1576, 10621), (1634, 10244), (1976, 8471), (2236, 7486), (2561, 6536), (3268, 5122), (3743, 4472)]