18205121090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{82231}}^1$

素因数の和:82395

約数の個数: 48

約数和(自身を含む): 35755131456

約数和(自身を除く): 17550010366

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 169, 262, 338, 655, 845, 1310, 1690, 1703, 3406, 8515, 17030, 22139, 44278, 82231, 110695, 164462, 221390, 411155, 822310, 1069003, 2138006, 5345015, 10690030, 10772261, 13897039, 21544522, 27794078, 53861305, 69485195, 107722610, 138970390, 140039393, 280078786, 700196965, 1400393930, 1820512109, 3641024218, 9102560545, 18205121090]

約数ペア:

[(1, 18205121090), (2, 9102560545), (5, 3641024218), (10, 1820512109), (13, 1400393930), (26, 700196965), (65, 280078786), (130, 140039393), (131, 138970390), (169, 107722610), (262, 69485195), (338, 53861305), (655, 27794078), (845, 21544522), (1310, 13897039), (1690, 10772261), (1703, 10690030), (3406, 5345015), (8515, 2138006), (17030, 1069003), (22139, 822310), (44278, 411155), (82231, 221390), (110695, 164462)]