19891584

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:608

約数の個数: 96

約数和(自身を含む): 59192640

約数和(自身を除く): 39301056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 279, 288, 372, 384, 496, 557, 558, 576, 744, 992, 1114, 1116, 1152, 1488, 1671, 1984, 2228, 2232, 2976, 3342, 3968, 4456, 4464, 5013, 5952, 6684, 8912, 8928, 10026, 11904, 13368, 17267, 17824, 17856, 20052, 26736, 34534, 35648, 35712, 40104, 51801, 53472, 69068, 71296, 80208, 103602, 106944, 138136, 155403, 160416, 207204, 213888, 276272, 310806, 320832, 414408, 552544, 621612, 641664, 828816, 1105088, 1243224, 1657632, 2210176, 2486448, 3315264, 4972896, 6630528, 9945792, 19891584]

約数ペア:

[(1, 19891584), (2, 9945792), (3, 6630528), (4, 4972896), (6, 3315264), (8, 2486448), (9, 2210176), (12, 1657632), (16, 1243224), (18, 1105088), (24, 828816), (31, 641664), (32, 621612), (36, 552544), (48, 414408), (62, 320832), (64, 310806), (72, 276272), (93, 213888), (96, 207204), (124, 160416), (128, 155403), (144, 138136), (186, 106944), (192, 103602), (248, 80208), (279, 71296), (288, 69068), (372, 53472), (384, 51801), (496, 40104), (557, 35712), (558, 35648), (576, 34534), (744, 26736), (992, 20052), (1114, 17856), (1116, 17824), (1152, 17267), (1488, 13368), (1671, 11904), (1984, 10026), (2228, 8928), (2232, 8912), (2976, 6684), (3342, 5952), (3968, 5013), (4456, 4464)]