19826975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 30355200

約数和(自身を除く): 10528225

約数列:

[1, 5, 7, 19, 25, 35, 67, 89, 95, 133, 175, 335, 445, 469, 475, 623, 665, 1273, 1675, 1691, 2225, 2345, 3115, 3325, 5963, 6365, 8455, 8911, 11725, 11837, 15575, 29815, 31825, 41741, 42275, 44555, 59185, 113297, 149075, 208705, 222775, 295925, 566485, 793079, 1043525, 2832425, 3965395, 19826975]

約数ペア:

[(1, 19826975), (5, 3965395), (7, 2832425), (19, 1043525), (25, 793079), (35, 566485), (67, 295925), (89, 222775), (95, 208705), (133, 149075), (175, 113297), (335, 59185), (445, 44555), (469, 42275), (475, 41741), (623, 31825), (665, 29815), (1273, 15575), (1675, 11837), (1691, 11725), (2225, 8911), (2345, 8455), (3115, 6365), (3325, 5963)]