19813616

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:357

約数の個数: 40

約数和(自身を含む): 39580800

約数和(自身を除く): 19767184

約数列:

[1, 2, 4, 8, 16, 59, 118, 139, 151, 236, 278, 302, 472, 556, 604, 944, 1112, 1208, 2224, 2416, 8201, 8909, 16402, 17818, 20989, 32804, 35636, 41978, 65608, 71272, 83956, 131216, 142544, 167912, 335824, 1238351, 2476702, 4953404, 9906808, 19813616]

約数ペア:

[(1, 19813616), (2, 9906808), (4, 4953404), (8, 2476702), (16, 1238351), (59, 335824), (118, 167912), (139, 142544), (151, 131216), (236, 83956), (278, 71272), (302, 65608), (472, 41978), (556, 35636), (604, 32804), (944, 20989), (1112, 17818), (1208, 16402), (2224, 8909), (2416, 8201)]