19043890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{887}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 17399630

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 887, 1130, 1774, 2147, 4294, 4435, 8870, 10735, 16853, 21470, 33706, 84265, 100231, 168530, 200462, 501155, 1002310, 1904389, 3808778, 9521945, 19043890]

約数ペア:

[(1, 19043890), (2, 9521945), (5, 3808778), (10, 1904389), (19, 1002310), (38, 501155), (95, 200462), (113, 168530), (190, 100231), (226, 84265), (565, 33706), (887, 21470), (1130, 16853), (1774, 10735), (2147, 8870), (4294, 4435)]