19499193

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13457}}^1$

素因数の和:13493

約数の個数: 24

約数和(自身を含む): 33591168

約数和(自身を除く): 14091975

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13457, 40371, 94199, 121113, 282597, 309511, 847791, 928533, 2166577, 2785599, 6499731, 19499193]

約数ペア:

[(1, 19499193), (3, 6499731), (7, 2785599), (9, 2166577), (21, 928533), (23, 847791), (63, 309511), (69, 282597), (161, 121113), (207, 94199), (483, 40371), (1449, 13457)]