19850025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20359}}^1$

素因数の和:20385

約数の個数: 24

約数和(自身を含む): 35344960

約数和(自身を除く): 15494935

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 20359, 61077, 101795, 264667, 305385, 508975, 794001, 1323335, 1526925, 3970005, 6616675, 19850025]

約数ペア:

[(1, 19850025), (3, 6616675), (5, 3970005), (13, 1526925), (15, 1323335), (25, 794001), (39, 508975), (65, 305385), (75, 264667), (195, 101795), (325, 61077), (975, 20359)]