18189388

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 40334112

約数和(自身を除く): 22144724

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 53, 68, 98, 103, 106, 119, 196, 206, 212, 238, 371, 412, 476, 721, 742, 833, 901, 1442, 1484, 1666, 1751, 1802, 2597, 2884, 3332, 3502, 3604, 5047, 5194, 5459, 6307, 7004, 10094, 10388, 10918, 12257, 12614, 20188, 21836, 24514, 25228, 38213, 44149, 49028, 76426, 85799, 88298, 92803, 152852, 171598, 176596, 185606, 267491, 343196, 371212, 534982, 649621, 1069964, 1299242, 2598484, 4547347, 9094694, 18189388]

約数ペア:

[(1, 18189388), (2, 9094694), (4, 4547347), (7, 2598484), (14, 1299242), (17, 1069964), (28, 649621), (34, 534982), (49, 371212), (53, 343196), (68, 267491), (98, 185606), (103, 176596), (106, 171598), (119, 152852), (196, 92803), (206, 88298), (212, 85799), (238, 76426), (371, 49028), (412, 44149), (476, 38213), (721, 25228), (742, 24514), (833, 21836), (901, 20188), (1442, 12614), (1484, 12257), (1666, 10918), (1751, 10388), (1802, 10094), (2597, 7004), (2884, 6307), (3332, 5459), (3502, 5194), (3604, 5047)]