1900161500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{200017}}^1$

素因数の和:200055

約数の個数: 48

約数和(自身を含む): 4368393120

約数和(自身を除く): 2468231620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 200017, 400034, 800068, 1000085, 2000170, 3800323, 4000340, 5000425, 7600646, 10000850, 15201292, 19001615, 20001700, 25002125, 38003230, 50004250, 76006460, 95008075, 100008500, 190016150, 380032300, 475040375, 950080750, 1900161500]

約数ペア:

[(1, 1900161500), (2, 950080750), (4, 475040375), (5, 380032300), (10, 190016150), (19, 100008500), (20, 95008075), (25, 76006460), (38, 50004250), (50, 38003230), (76, 25002125), (95, 20001700), (100, 19001615), (125, 15201292), (190, 10000850), (250, 7600646), (380, 5000425), (475, 4000340), (500, 3800323), (950, 2000170), (1900, 1000085), (2375, 800068), (4750, 400034), (9500, 200017)]