19310020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18217}}^1$

素因数の和:18279

約数の個数: 24

約数和(自身を含む): 41318424

約数和(自身を除く): 22008404

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 18217, 36434, 72868, 91085, 182170, 364340, 965501, 1931002, 3862004, 4827505, 9655010, 19310020]

約数ペア:

[(1, 19310020), (2, 9655010), (4, 4827505), (5, 3862004), (10, 1931002), (20, 965501), (53, 364340), (106, 182170), (212, 91085), (265, 72868), (530, 36434), (1060, 18217)]