19981024968

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1\times {\mathrm{28751}}^1$

素因数の和:30042

約数の個数: 64

約数和(自身を含む): 52167628800

約数和(自身を除く): 32186603832

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 1259, 2518, 3777, 5036, 7554, 10072, 15108, 28751, 28957, 30216, 57502, 57914, 86253, 86871, 115004, 115828, 172506, 173742, 230008, 231656, 345012, 347484, 661273, 690024, 694968, 1322546, 1983819, 2645092, 3967638, 5290184, 7935276, 15870552, 36197509, 72395018, 108592527, 144790036, 217185054, 289580072, 434370108, 832542707, 868740216, 1665085414, 2497628121, 3330170828, 4995256242, 6660341656, 9990512484, 19981024968]

約数ペア:

[(1, 19981024968), (2, 9990512484), (3, 6660341656), (4, 4995256242), (6, 3330170828), (8, 2497628121), (12, 1665085414), (23, 868740216), (24, 832542707), (46, 434370108), (69, 289580072), (92, 217185054), (138, 144790036), (184, 108592527), (276, 72395018), (552, 36197509), (1259, 15870552), (2518, 7935276), (3777, 5290184), (5036, 3967638), (7554, 2645092), (10072, 1983819), (15108, 1322546), (28751, 694968), (28957, 690024), (30216, 661273), (57502, 347484), (57914, 345012), (86253, 231656), (86871, 230008), (115004, 173742), (115828, 172506)]