18730590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{971}}^1$

素因数の和:1624

約数の個数: 32

約数和(自身を含む): 45069696

約数和(自身を除く): 26339106

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643, 971, 1286, 1929, 1942, 2913, 3215, 3858, 4855, 5826, 6430, 9645, 9710, 14565, 19290, 29130, 624353, 1248706, 1873059, 3121765, 3746118, 6243530, 9365295, 18730590]

約数ペア:

[(1, 18730590), (2, 9365295), (3, 6243530), (5, 3746118), (6, 3121765), (10, 1873059), (15, 1248706), (30, 624353), (643, 29130), (971, 19290), (1286, 14565), (1929, 9710), (1942, 9645), (2913, 6430), (3215, 5826), (3858, 4855)]