18628610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1861}}^1$

素因数の和:1899

約数の個数: 64

約数和(自身を含む): 45045504

約数和(自身を除く): 26416894

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 1861, 2002, 3722, 5005, 9305, 10010, 13027, 18610, 20471, 24193, 26054, 40942, 48386, 65135, 102355, 120965, 130270, 143297, 169351, 204710, 241930, 266123, 286594, 338702, 532246, 716485, 846755, 1330615, 1432970, 1693510, 1862861, 2661230, 3725722, 9314305, 18628610]

約数ペア:

[(1, 18628610), (2, 9314305), (5, 3725722), (7, 2661230), (10, 1862861), (11, 1693510), (13, 1432970), (14, 1330615), (22, 846755), (26, 716485), (35, 532246), (55, 338702), (65, 286594), (70, 266123), (77, 241930), (91, 204710), (110, 169351), (130, 143297), (143, 130270), (154, 120965), (182, 102355), (286, 65135), (385, 48386), (455, 40942), (715, 26054), (770, 24193), (910, 20471), (1001, 18610), (1430, 13027), (1861, 10010), (2002, 9305), (3722, 5005)]