19370802020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8885689}}^1$

素因数の和:8885807

約数の個数: 24

約数和(自身を含む): 41051887800

約数和(自身を除く): 21681085780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 8885689, 17771378, 35542756, 44428445, 88856890, 177713780, 968540101, 1937080202, 3874160404, 4842700505, 9685401010, 19370802020]

約数ペア:

[(1, 19370802020), (2, 9685401010), (4, 4842700505), (5, 3874160404), (10, 1937080202), (20, 968540101), (109, 177713780), (218, 88856890), (436, 44428445), (545, 35542756), (1090, 17771378), (2180, 8885689)]