18769995

素因数分解:

$3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{541}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 33560640

約数和(自身を除く): 14790645

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 257, 541, 771, 1285, 1623, 2313, 2705, 3855, 4869, 6939, 8115, 11565, 14607, 24345, 34695, 73035, 139037, 417111, 695185, 1251333, 2085555, 3753999, 6256665, 18769995]

約数ペア:

[(1, 18769995), (3, 6256665), (5, 3753999), (9, 2085555), (15, 1251333), (27, 695185), (45, 417111), (135, 139037), (257, 73035), (541, 34695), (771, 24345), (1285, 14607), (1623, 11565), (2313, 8115), (2705, 6939), (3855, 4869)]