18218940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{303649}}^1$

素因数の和:303661

約数の個数: 24

約数和(自身を含む): 51013200

約数和(自身を除く): 32794260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 303649, 607298, 910947, 1214596, 1518245, 1821894, 3036490, 3643788, 4554735, 6072980, 9109470, 18218940]

約数ペア:

[(1, 18218940), (2, 9109470), (3, 6072980), (4, 4554735), (5, 3643788), (6, 3036490), (10, 1821894), (12, 1518245), (15, 1214596), (20, 910947), (30, 607298), (60, 303649)]