17953990

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 33214464

約数和(自身を除く): 15260474

約数列:

[1, 2, 5, 10, 67, 127, 134, 211, 254, 335, 422, 635, 670, 1055, 1270, 2110, 8509, 14137, 17018, 26797, 28274, 42545, 53594, 70685, 85090, 133985, 141370, 267970, 1795399, 3590798, 8976995, 17953990]

約数ペア:

[(1, 17953990), (2, 8976995), (5, 3590798), (10, 1795399), (67, 267970), (127, 141370), (134, 133985), (211, 85090), (254, 70685), (335, 53594), (422, 42545), (635, 28274), (670, 26797), (1055, 17018), (1270, 14137), (2110, 8509)]