19529840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22193}}^1$

素因数の和:22217

約数の個数: 40

約数和(自身を含む): 49537008

約数和(自身を除く): 30007168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22193, 44386, 88772, 110965, 177544, 221930, 244123, 355088, 443860, 488246, 887720, 976492, 1220615, 1775440, 1952984, 2441230, 3905968, 4882460, 9764920, 19529840]

約数ペア:

[(1, 19529840), (2, 9764920), (4, 4882460), (5, 3905968), (8, 2441230), (10, 1952984), (11, 1775440), (16, 1220615), (20, 976492), (22, 887720), (40, 488246), (44, 443860), (55, 355088), (80, 244123), (88, 221930), (110, 177544), (176, 110965), (220, 88772), (440, 44386), (880, 22193)]