19929537

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{733}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 31708800

約数和(自身を除く): 11779263

約数列:

[1, 3, 9, 19, 27, 53, 57, 159, 171, 477, 513, 733, 1007, 1431, 2199, 3021, 6597, 9063, 13927, 19791, 27189, 38849, 41781, 116547, 125343, 349641, 376029, 738131, 1048923, 2214393, 6643179, 19929537]

約数ペア:

[(1, 19929537), (3, 6643179), (9, 2214393), (19, 1048923), (27, 738131), (53, 376029), (57, 349641), (159, 125343), (171, 116547), (477, 41781), (513, 38849), (733, 27189), (1007, 19791), (1431, 13927), (2199, 9063), (3021, 6597)]