18691244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{797}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 39414816

約数和(自身を除く): 20723572

約数列:

[1, 2, 4, 11, 13, 22, 26, 41, 44, 52, 82, 143, 164, 286, 451, 533, 572, 797, 902, 1066, 1594, 1804, 2132, 3188, 5863, 8767, 10361, 11726, 17534, 20722, 23452, 32677, 35068, 41444, 65354, 113971, 130708, 227942, 359447, 424801, 455884, 718894, 849602, 1437788, 1699204, 4672811, 9345622, 18691244]

約数ペア:

[(1, 18691244), (2, 9345622), (4, 4672811), (11, 1699204), (13, 1437788), (22, 849602), (26, 718894), (41, 455884), (44, 424801), (52, 359447), (82, 227942), (143, 130708), (164, 113971), (286, 65354), (451, 41444), (533, 35068), (572, 32677), (797, 23452), (902, 20722), (1066, 17534), (1594, 11726), (1804, 10361), (2132, 8767), (3188, 5863)]