19822144

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 56

約数和(自身を含む): 41420288

約数和(自身を除く): 21598144

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 97, 103, 124, 194, 206, 248, 388, 412, 496, 776, 824, 992, 1552, 1648, 1984, 3007, 3104, 3193, 3296, 6014, 6208, 6386, 6592, 9991, 12028, 12772, 19982, 24056, 25544, 39964, 48112, 51088, 79928, 96224, 102176, 159856, 192448, 204352, 309721, 319712, 619442, 639424, 1238884, 2477768, 4955536, 9911072, 19822144]

約数ペア:

[(1, 19822144), (2, 9911072), (4, 4955536), (8, 2477768), (16, 1238884), (31, 639424), (32, 619442), (62, 319712), (64, 309721), (97, 204352), (103, 192448), (124, 159856), (194, 102176), (206, 96224), (248, 79928), (388, 51088), (412, 48112), (496, 39964), (776, 25544), (824, 24056), (992, 19982), (1552, 12772), (1648, 12028), (1984, 9991), (3007, 6592), (3104, 6386), (3193, 6208), (3296, 6014)]