2008181890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1404323}}^1$

素因数の和:1404354

約数の個数: 32

約数和(自身を含む): 4246675776

約数和(自身を除く): 2238493886

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 1404323, 2808646, 7021615, 14043230, 15447553, 18256199, 30895106, 36512398, 77237765, 91280995, 154475530, 182561990, 200818189, 401636378, 1004090945, 2008181890]

約数ペア:

[(1, 2008181890), (2, 1004090945), (5, 401636378), (10, 200818189), (11, 182561990), (13, 154475530), (22, 91280995), (26, 77237765), (55, 36512398), (65, 30895106), (110, 18256199), (130, 15447553), (143, 14043230), (286, 7021615), (715, 2808646), (1430, 1404323)]