19654904

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{6007}}^1$

素因数の和:6422

約数の個数: 16

約数和(自身を含む): 36949200

約数和(自身を除く): 17294296

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 6007, 12014, 24028, 48056, 2456863, 4913726, 9827452, 19654904]

約数ペア:

[(1, 19654904), (2, 9827452), (4, 4913726), (8, 2456863), (409, 48056), (818, 24028), (1636, 12014), (3272, 6007)]