18709710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1447}}^1$

素因数の和:1888

約数の個数: 32

約数和(自身を含む): 45038592

約数和(自身を除く): 26328882

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1447, 2155, 2586, 2894, 4310, 4341, 6465, 7235, 8682, 12930, 14470, 21705, 43410, 623657, 1247314, 1870971, 3118285, 3741942, 6236570, 9354855, 18709710]

約数ペア:

[(1, 18709710), (2, 9354855), (3, 6236570), (5, 3741942), (6, 3118285), (10, 1870971), (15, 1247314), (30, 623657), (431, 43410), (862, 21705), (1293, 14470), (1447, 12930), (2155, 8682), (2586, 7235), (2894, 6465), (4310, 4341)]