19503968

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 42565824

約数和(自身を除く): 23061856

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 67, 88, 134, 176, 268, 352, 536, 737, 827, 1072, 1474, 1654, 2144, 2948, 3308, 5896, 6616, 9097, 11792, 13232, 18194, 23584, 26464, 36388, 55409, 72776, 110818, 145552, 221636, 291104, 443272, 609499, 886544, 1218998, 1773088, 2437996, 4875992, 9751984, 19503968]

約数ペア:

[(1, 19503968), (2, 9751984), (4, 4875992), (8, 2437996), (11, 1773088), (16, 1218998), (22, 886544), (32, 609499), (44, 443272), (67, 291104), (88, 221636), (134, 145552), (176, 110818), (268, 72776), (352, 55409), (536, 36388), (737, 26464), (827, 23584), (1072, 18194), (1474, 13232), (1654, 11792), (2144, 9097), (2948, 6616), (3308, 5896)]