19449399

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 26634240

約数和(自身を除く): 7184841

約数列:

[1, 3, 47, 141, 271, 509, 813, 1527, 12737, 23923, 38211, 71769, 137939, 413817, 6483133, 19449399]

約数ペア:

[(1, 19449399), (3, 6483133), (47, 413817), (141, 137939), (271, 71769), (509, 38211), (813, 23923), (1527, 12737)]