19430380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9619}}^1$

素因数の和:9729

約数の個数: 24

約数和(自身を含む): 41212080

約数和(自身を除く): 21781700

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9619, 19238, 38476, 48095, 96190, 192380, 971519, 1943038, 3886076, 4857595, 9715190, 19430380]

約数ペア:

[(1, 19430380), (2, 9715190), (4, 4857595), (5, 3886076), (10, 1943038), (20, 971519), (101, 192380), (202, 96190), (404, 48095), (505, 38476), (1010, 19238), (2020, 9619)]