18734048

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 38419920

約数和(自身を除く): 19685872

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 109, 131, 164, 218, 262, 328, 436, 524, 656, 872, 1048, 1312, 1744, 2096, 3488, 4192, 4469, 5371, 8938, 10742, 14279, 17876, 21484, 28558, 35752, 42968, 57116, 71504, 85936, 114232, 143008, 171872, 228464, 456928, 585439, 1170878, 2341756, 4683512, 9367024, 18734048]

約数ペア:

[(1, 18734048), (2, 9367024), (4, 4683512), (8, 2341756), (16, 1170878), (32, 585439), (41, 456928), (82, 228464), (109, 171872), (131, 143008), (164, 114232), (218, 85936), (262, 71504), (328, 57116), (436, 42968), (524, 35752), (656, 28558), (872, 21484), (1048, 17876), (1312, 14279), (1744, 10742), (2096, 8938), (3488, 5371), (4192, 4469)]