18792004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 45045504

約数和(自身を除く): 26253500

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 37, 44, 68, 74, 77, 97, 119, 148, 154, 187, 194, 238, 259, 308, 374, 388, 407, 476, 518, 629, 679, 748, 814, 1036, 1067, 1258, 1309, 1358, 1628, 1649, 2134, 2516, 2618, 2716, 2849, 3298, 3589, 4268, 4403, 5236, 5698, 6596, 6919, 7178, 7469, 8806, 11396, 11543, 13838, 14356, 14938, 17612, 18139, 23086, 25123, 27676, 29876, 36278, 39479, 46172, 48433, 50246, 61013, 72556, 78958, 96866, 100492, 122026, 126973, 157916, 193732, 244052, 253946, 276353, 427091, 507892, 552706, 671143, 854182, 1105412, 1342286, 1708364, 2684572, 4698001, 9396002, 18792004]

約数ペア:

[(1, 18792004), (2, 9396002), (4, 4698001), (7, 2684572), (11, 1708364), (14, 1342286), (17, 1105412), (22, 854182), (28, 671143), (34, 552706), (37, 507892), (44, 427091), (68, 276353), (74, 253946), (77, 244052), (97, 193732), (119, 157916), (148, 126973), (154, 122026), (187, 100492), (194, 96866), (238, 78958), (259, 72556), (308, 61013), (374, 50246), (388, 48433), (407, 46172), (476, 39479), (518, 36278), (629, 29876), (679, 27676), (748, 25123), (814, 23086), (1036, 18139), (1067, 17612), (1258, 14938), (1309, 14356), (1358, 13838), (1628, 11543), (1649, 11396), (2134, 8806), (2516, 7469), (2618, 7178), (2716, 6919), (2849, 6596), (3298, 5698), (3589, 5236), (4268, 4403)]