19155003

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1423}}^1$

素因数の和:2074

約数の個数: 16

約数和(自身を含む): 29254656

約数和(自身を除く): 10099653

約数列:

[1, 3, 7, 21, 641, 1423, 1923, 4269, 4487, 9961, 13461, 29883, 912143, 2736429, 6385001, 19155003]

約数ペア:

[(1, 19155003), (3, 6385001), (7, 2736429), (21, 912143), (641, 29883), (1423, 13461), (1923, 9961), (4269, 4487)]