18073503

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 32832000

約数和(自身を除く): 14758497

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 719, 931, 1197, 1323, 2157, 2793, 3591, 5033, 6471, 8379, 13661, 15099, 19413, 25137, 35231, 40983, 45297, 95627, 105693, 122949, 135891, 286881, 317079, 368847, 669389, 860643, 951237, 2008167, 2581929, 6024501, 18073503]

約数ペア:

[(1, 18073503), (3, 6024501), (7, 2581929), (9, 2008167), (19, 951237), (21, 860643), (27, 669389), (49, 368847), (57, 317079), (63, 286881), (133, 135891), (147, 122949), (171, 105693), (189, 95627), (399, 45297), (441, 40983), (513, 35231), (719, 25137), (931, 19413), (1197, 15099), (1323, 13661), (2157, 8379), (2793, 6471), (3591, 5033)]