18399390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1423}}^1$

素因数の和:1864

約数の個数: 32

約数和(自身を含む): 44292096

約数和(自身を除く): 25892706

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1423, 2155, 2586, 2846, 4269, 4310, 6465, 7115, 8538, 12930, 14230, 21345, 42690, 613313, 1226626, 1839939, 3066565, 3679878, 6133130, 9199695, 18399390]

約数ペア:

[(1, 18399390), (2, 9199695), (3, 6133130), (5, 3679878), (6, 3066565), (10, 1839939), (15, 1226626), (30, 613313), (431, 42690), (862, 21345), (1293, 14230), (1423, 12930), (2155, 8538), (2586, 7115), (2846, 6465), (4269, 4310)]