19975984

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3023}}^1$

素因数の和:3097

約数の個数: 40

約数和(自身を含む): 44997120

約数和(自身を除く): 25021136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 3023, 3304, 6046, 6608, 12092, 21161, 24184, 42322, 48368, 84644, 169288, 178357, 338576, 356714, 713428, 1248499, 1426856, 2496998, 2853712, 4993996, 9987992, 19975984]

約数ペア:

[(1, 19975984), (2, 9987992), (4, 4993996), (7, 2853712), (8, 2496998), (14, 1426856), (16, 1248499), (28, 713428), (56, 356714), (59, 338576), (112, 178357), (118, 169288), (236, 84644), (413, 48368), (472, 42322), (826, 24184), (944, 21161), (1652, 12092), (3023, 6608), (3304, 6046)]