18590260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 42448896

約数和(自身を除く): 23858636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 563, 635, 1126, 1270, 1651, 2252, 2540, 2815, 3302, 5630, 6604, 7319, 8255, 11260, 14638, 16510, 29276, 33020, 36595, 71501, 73190, 143002, 146380, 286004, 357505, 715010, 929513, 1430020, 1859026, 3718052, 4647565, 9295130, 18590260]

約数ペア:

[(1, 18590260), (2, 9295130), (4, 4647565), (5, 3718052), (10, 1859026), (13, 1430020), (20, 929513), (26, 715010), (52, 357505), (65, 286004), (127, 146380), (130, 143002), (254, 73190), (260, 71501), (508, 36595), (563, 33020), (635, 29276), (1126, 16510), (1270, 14638), (1651, 11260), (2252, 8255), (2540, 7319), (2815, 6604), (3302, 5630)]