19194777

素因数分解:

$3^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{557}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 31801536

約数和(自身を除く): 12606759

約数列:

[1, 3, 7, 9, 21, 63, 547, 557, 1641, 1671, 3829, 3899, 4923, 5013, 11487, 11697, 34461, 35091, 304679, 914037, 2132753, 2742111, 6398259, 19194777]

約数ペア:

[(1, 19194777), (3, 6398259), (7, 2742111), (9, 2132753), (21, 914037), (63, 304679), (547, 35091), (557, 34461), (1641, 11697), (1671, 11487), (3829, 5013), (3899, 4923)]