19747248

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 55044096

約数和(自身を除く): 35296848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 46, 48, 62, 69, 92, 93, 124, 138, 184, 186, 248, 276, 368, 372, 496, 552, 577, 713, 744, 1104, 1154, 1426, 1488, 1731, 2139, 2308, 2852, 3462, 4278, 4616, 5704, 6924, 8556, 9232, 11408, 13271, 13848, 17112, 17887, 26542, 27696, 34224, 35774, 39813, 53084, 53661, 71548, 79626, 106168, 107322, 143096, 159252, 212336, 214644, 286192, 318504, 411401, 429288, 637008, 822802, 858576, 1234203, 1645604, 2468406, 3291208, 4936812, 6582416, 9873624, 19747248]

約数ペア:

[(1, 19747248), (2, 9873624), (3, 6582416), (4, 4936812), (6, 3291208), (8, 2468406), (12, 1645604), (16, 1234203), (23, 858576), (24, 822802), (31, 637008), (46, 429288), (48, 411401), (62, 318504), (69, 286192), (92, 214644), (93, 212336), (124, 159252), (138, 143096), (184, 107322), (186, 106168), (248, 79626), (276, 71548), (368, 53661), (372, 53084), (496, 39813), (552, 35774), (577, 34224), (713, 27696), (744, 26542), (1104, 17887), (1154, 17112), (1426, 13848), (1488, 13271), (1731, 11408), (2139, 9232), (2308, 8556), (2852, 6924), (3462, 5704), (4278, 4616)]