19887912

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{25111}}^1$

素因数の和:25134

約数の個数: 48

約数和(自身を含む): 58762080

約数和(自身を除く): 38874168

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 25111, 50222, 75333, 100444, 150666, 200888, 225999, 276221, 301332, 451998, 552442, 602664, 828663, 903996, 1104884, 1657326, 1807992, 2209768, 2485989, 3314652, 4971978, 6629304, 9943956, 19887912]

約数ペア:

[(1, 19887912), (2, 9943956), (3, 6629304), (4, 4971978), (6, 3314652), (8, 2485989), (9, 2209768), (11, 1807992), (12, 1657326), (18, 1104884), (22, 903996), (24, 828663), (33, 602664), (36, 552442), (44, 451998), (66, 301332), (72, 276221), (88, 225999), (99, 200888), (132, 150666), (198, 100444), (264, 75333), (396, 50222), (792, 25111)]