18697686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{445183}}^1$

素因数の和:445195

約数の個数: 16

約数和(自身を含む): 42737664

約数和(自身を除く): 24039978

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 445183, 890366, 1335549, 2671098, 3116281, 6232562, 9348843, 18697686]

約数ペア:

[(1, 18697686), (2, 9348843), (3, 6232562), (6, 3116281), (7, 2671098), (14, 1335549), (21, 890366), (42, 445183)]