18540162

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2357}}^1$

素因数の和:2407

約数の個数: 48

約数和(自身を含む): 44141760

約数和(自身を除く): 25601598

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2357, 2622, 3933, 4714, 7071, 7866, 14142, 21213, 42426, 44783, 54211, 89566, 108422, 134349, 162633, 268698, 325266, 403047, 487899, 806094, 975798, 1030009, 2060018, 3090027, 6180054, 9270081, 18540162]

約数ペア:

[(1, 18540162), (2, 9270081), (3, 6180054), (6, 3090027), (9, 2060018), (18, 1030009), (19, 975798), (23, 806094), (38, 487899), (46, 403047), (57, 325266), (69, 268698), (114, 162633), (138, 134349), (171, 108422), (207, 89566), (342, 54211), (414, 44783), (437, 42426), (874, 21213), (1311, 14142), (2357, 7866), (2622, 7071), (3933, 4714)]