19837921677

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{157733}}^1$

素因数の和:157909

約数の個数: 32

約数和(自身を含む): 31072336128

約数和(自身を除く): 11234414451

約数列:

[1, 3, 7, 21, 53, 113, 159, 339, 371, 791, 1113, 2373, 5989, 17967, 41923, 125769, 157733, 473199, 1104131, 3312393, 8359849, 17823829, 25079547, 53471487, 58518943, 124766803, 175556829, 374300409, 944662937, 2833988811, 6612640559, 19837921677]

約数ペア:

[(1, 19837921677), (3, 6612640559), (7, 2833988811), (21, 944662937), (53, 374300409), (113, 175556829), (159, 124766803), (339, 58518943), (371, 53471487), (791, 25079547), (1113, 17823829), (2373, 8359849), (5989, 3312393), (17967, 1104131), (41923, 473199), (125769, 157733)]