17996988

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 25871172

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 101, 124, 186, 202, 303, 372, 404, 479, 606, 958, 1212, 1437, 1916, 2874, 3131, 5748, 6262, 9393, 12524, 14849, 18786, 29698, 37572, 44547, 48379, 59396, 89094, 96758, 145137, 178188, 193516, 290274, 580548, 1499749, 2999498, 4499247, 5998996, 8998494, 17996988]

約数ペア:

[(1, 17996988), (2, 8998494), (3, 5998996), (4, 4499247), (6, 2999498), (12, 1499749), (31, 580548), (62, 290274), (93, 193516), (101, 178188), (124, 145137), (186, 96758), (202, 89094), (303, 59396), (372, 48379), (404, 44547), (479, 37572), (606, 29698), (958, 18786), (1212, 14849), (1437, 12524), (1916, 9393), (2874, 6262), (3131, 5748)]