20180992806

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{776969}}^1$

素因数の和:777030

約数の個数: 64

約数和(自身を含む): 49601764800

約数和(自身を除く): 29420771994

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 111, 117, 222, 234, 333, 351, 481, 666, 702, 962, 999, 1443, 1998, 2886, 4329, 8658, 12987, 25974, 776969, 1553938, 2330907, 4661814, 6992721, 10100597, 13985442, 20201194, 20978163, 28747853, 30301791, 41956326, 57495706, 60603582, 86243559, 90905373, 172487118, 181810746, 258730677, 272716119, 373722089, 517461354, 545432238, 747444178, 776192031, 1121166267, 1552384062, 2242332534, 3363498801, 6726997602, 10090496403, 20180992806]

約数ペア:

[(1, 20180992806), (2, 10090496403), (3, 6726997602), (6, 3363498801), (9, 2242332534), (13, 1552384062), (18, 1121166267), (26, 776192031), (27, 747444178), (37, 545432238), (39, 517461354), (54, 373722089), (74, 272716119), (78, 258730677), (111, 181810746), (117, 172487118), (222, 90905373), (234, 86243559), (333, 60603582), (351, 57495706), (481, 41956326), (666, 30301791), (702, 28747853), (962, 20978163), (999, 20201194), (1443, 13985442), (1998, 10100597), (2886, 6992721), (4329, 4661814), (8658, 2330907), (12987, 1553938), (25974, 776969)]