18038940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{300649}}^1$

素因数の和:300661

約数の個数: 24

約数和(自身を含む): 50509200

約数和(自身を除く): 32470260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 300649, 601298, 901947, 1202596, 1503245, 1803894, 3006490, 3607788, 4509735, 6012980, 9019470, 18038940]

約数ペア:

[(1, 18038940), (2, 9019470), (3, 6012980), (4, 4509735), (5, 3607788), (6, 3006490), (10, 1803894), (12, 1503245), (15, 1202596), (20, 901947), (30, 601298), (60, 300649)]