18687396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 54503680

約数和(自身を除く): 35816284

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 109, 156, 157, 182, 218, 273, 314, 327, 364, 436, 471, 546, 628, 654, 763, 942, 1092, 1099, 1308, 1417, 1526, 1884, 2041, 2198, 2289, 2834, 3052, 3297, 4082, 4251, 4396, 4578, 5668, 6123, 6594, 8164, 8502, 9156, 9919, 12246, 13188, 14287, 17004, 17113, 19838, 24492, 28574, 29757, 34226, 39676, 42861, 51339, 57148, 59514, 68452, 85722, 102678, 119028, 119791, 171444, 205356, 222469, 239582, 359373, 444938, 479164, 667407, 718746, 889876, 1334814, 1437492, 1557283, 2669628, 3114566, 4671849, 6229132, 9343698, 18687396]

約数ペア:

[(1, 18687396), (2, 9343698), (3, 6229132), (4, 4671849), (6, 3114566), (7, 2669628), (12, 1557283), (13, 1437492), (14, 1334814), (21, 889876), (26, 718746), (28, 667407), (39, 479164), (42, 444938), (52, 359373), (78, 239582), (84, 222469), (91, 205356), (109, 171444), (156, 119791), (157, 119028), (182, 102678), (218, 85722), (273, 68452), (314, 59514), (327, 57148), (364, 51339), (436, 42861), (471, 39676), (546, 34226), (628, 29757), (654, 28574), (763, 24492), (942, 19838), (1092, 17113), (1099, 17004), (1308, 14287), (1417, 13188), (1526, 12246), (1884, 9919), (2041, 9156), (2198, 8502), (2289, 8164), (2834, 6594), (3052, 6123), (3297, 5668), (4082, 4578), (4251, 4396)]