19755850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 19616630

約数列:

[1, 2, 5, 10, 23, 25, 41, 46, 50, 82, 115, 205, 230, 410, 419, 575, 838, 943, 1025, 1150, 1886, 2050, 2095, 4190, 4715, 9430, 9637, 10475, 17179, 19274, 20950, 23575, 34358, 47150, 48185, 85895, 96370, 171790, 240925, 395117, 429475, 481850, 790234, 858950, 1975585, 3951170, 9877925, 19755850]

約数ペア:

[(1, 19755850), (2, 9877925), (5, 3951170), (10, 1975585), (23, 858950), (25, 790234), (41, 481850), (46, 429475), (50, 395117), (82, 240925), (115, 171790), (205, 96370), (230, 85895), (410, 48185), (419, 47150), (575, 34358), (838, 23575), (943, 20950), (1025, 19274), (1150, 17179), (1886, 10475), (2050, 9637), (2095, 9430), (4190, 4715)]