18525969

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 37209600

約数和(自身を除く): 18683631

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 49, 57, 63, 67, 77, 99, 133, 147, 171, 189, 201, 209, 231, 297, 399, 441, 469, 513, 539, 603, 627, 693, 737, 931, 1197, 1273, 1323, 1407, 1463, 1617, 1809, 1881, 2079, 2211, 2793, 3283, 3591, 3819, 4221, 4389, 4851, 5159, 5643, 6633, 8379, 8911, 9849, 10241, 11457, 12663, 13167, 14003, 14553, 15477, 19899, 25137, 26733, 29547, 30723, 34371, 36113, 39501, 42009, 46431, 62377, 80199, 88641, 92169, 98021, 108339, 126027, 139293, 187131, 240597, 276507, 294063, 325017, 378081, 561393, 686147, 882189, 975051, 1684179, 2058441, 2646567, 6175323, 18525969]

約数ペア:

[(1, 18525969), (3, 6175323), (7, 2646567), (9, 2058441), (11, 1684179), (19, 975051), (21, 882189), (27, 686147), (33, 561393), (49, 378081), (57, 325017), (63, 294063), (67, 276507), (77, 240597), (99, 187131), (133, 139293), (147, 126027), (171, 108339), (189, 98021), (201, 92169), (209, 88641), (231, 80199), (297, 62377), (399, 46431), (441, 42009), (469, 39501), (513, 36113), (539, 34371), (603, 30723), (627, 29547), (693, 26733), (737, 25137), (931, 19899), (1197, 15477), (1273, 14553), (1323, 14003), (1407, 13167), (1463, 12663), (1617, 11457), (1809, 10241), (1881, 9849), (2079, 8911), (2211, 8379), (2793, 6633), (3283, 5643), (3591, 5159), (3819, 4851), (4221, 4389)]