19487468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 47566848

約数和(自身を除く): 28079380

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 52, 62, 77, 91, 124, 143, 154, 157, 182, 217, 286, 308, 314, 341, 364, 403, 434, 572, 628, 682, 806, 868, 1001, 1099, 1364, 1612, 1727, 2002, 2041, 2198, 2387, 2821, 3454, 4004, 4082, 4396, 4433, 4774, 4867, 5642, 6908, 8164, 8866, 9548, 9734, 11284, 12089, 14287, 17732, 19468, 22451, 24178, 28574, 31031, 34069, 44902, 48356, 53537, 57148, 62062, 63271, 68138, 89804, 107074, 124124, 126542, 136276, 157157, 214148, 253084, 314314, 374759, 442897, 628628, 695981, 749518, 885794, 1391962, 1499036, 1771588, 2783924, 4871867, 9743734, 19487468]

約数ペア:

[(1, 19487468), (2, 9743734), (4, 4871867), (7, 2783924), (11, 1771588), (13, 1499036), (14, 1391962), (22, 885794), (26, 749518), (28, 695981), (31, 628628), (44, 442897), (52, 374759), (62, 314314), (77, 253084), (91, 214148), (124, 157157), (143, 136276), (154, 126542), (157, 124124), (182, 107074), (217, 89804), (286, 68138), (308, 63271), (314, 62062), (341, 57148), (364, 53537), (403, 48356), (434, 44902), (572, 34069), (628, 31031), (682, 28574), (806, 24178), (868, 22451), (1001, 19468), (1099, 17732), (1364, 14287), (1612, 12089), (1727, 11284), (2002, 9734), (2041, 9548), (2198, 8866), (2387, 8164), (2821, 6908), (3454, 5642), (4004, 4867), (4082, 4774), (4396, 4433)]